How to Say You Do Not Understand in a Complaint Resolution Conversation

When you are handling a complaint, admitting that you do not understand what the other person has said is not a sign of weakness. It is a necessary step to solving the problem correctly. The direct answer to the title is this: you must say you do not understand clearly, politely, and immediately, so the issue does not get worse. This guide gives you the exact phrases, tone advice, and practice you need to handle these moments in English.

Quick Answer: What to Say When You Do Not Understand

Use one of these phrases to stop the conversation and ask for clarification without sounding rude or unprepared.

• Formal (email or serious call): “I am sorry, I do not follow your point. Could you please explain it again?”
• Semi-formal (customer service chat): “I am not sure I understand the issue. Can you tell me more?”
• Informal (face-to-face or quick chat): “Sorry, I did not catch that. Can you say it again?”

These phrases work because they focus on your own lack of understanding, not on the other person’s speaking ability. This keeps the conversation respectful and solution-focused.

Why Saying “I Do Not Understand” Is Hard for Learners

Many English learners worry that admitting confusion will make them look unprofessional or slow. In complaint resolution, the opposite is true. If you pretend to understand and then give the wrong answer, the customer becomes more frustrated. The goal is to resolve the complaint, not to save face. Using a clear phrase to ask for help is a sign of good communication, not a mistake.

Formal vs. Informal Language in Complaint Resolution

The right phrase depends on the situation. Below is a comparison table to help you choose.

Natural Examples in Context

Here are realistic dialogues that show how to use these phrases naturally.

Example 1: Phone Call – Formal

Customer: “The billing error happened because the system applied the wrong discount code to my account after the promotional period ended, but the agent said it would be retroactive.”
You: “I am sorry, I do not follow your point. Could you please explain the part about the retroactive discount again?”
Customer: “Sure. The agent told me the discount would apply to past orders, but it did not.”
You: “Thank you. Now I understand. Let me check your account for that.”

Example 2: Live Chat – Semi-Formal

Customer: “The package was left at the wrong door, and now it is missing.”
You: “I am not sure I understand the issue. Can you tell me which door it was left at?”
Customer: “The back door, but I told them to use the front door.”
You: “Thank you. That helps. Let me start a lost package claim.”

Example 3: Face-to-Face – Informal

Customer: “The machine keeps jamming after I put the paper in sideways.”
You: “Sorry, I did not catch that. Can you say it again?”
Customer: “I put the paper in sideways, and it jams.”
You: “Ah, I see. Do not put it sideways. Use the tray.”

Common Mistakes When Saying You Do Not Understand

Avoid these errors. They can make the situation worse.

Mistake 1: Blaming the Customer

Wrong: “You are not explaining this clearly.”
Why it is bad: It sounds rude and defensive. The customer will feel attacked.
Better alternative: “I am sorry, I am having trouble following. Could you explain it in a different way?”

Mistake 2: Staying Silent

Wrong: Saying nothing and hoping you understand later.
Why it is bad: You will likely give the wrong answer, and the customer will have to repeat everything anyway.
Better alternative: Use a quick phrase like “Just a moment, I want to make sure I understand.”

Mistake 3: Using “What?” Alone

Wrong: “What?”
Why it is bad: It sounds too direct and impatient, especially in a complaint conversation.
Better alternative: “Sorry, what was that?” or “Pardon me?”

Mistake 4: Pretending to Understand

Wrong: “Yes, I understand,” when you do not.
Why it is bad: You will make a mistake that wastes time and frustrates the customer more.
Better alternative: “I want to be sure I get this right. Can you repeat the main problem?”

Better Alternatives for Common Situations

Sometimes the standard phrase does not fit. Here are alternatives for specific moments.

• When the customer speaks too fast: “Could you speak a little slower? I want to note down the details.”
• When the customer uses technical words: “I am not familiar with that term. Could you explain what it means?”
• When you need to confirm a specific part: “I understood the first part, but I did not catch the part about the deadline. Can you repeat that?”
• When you are on a bad phone line: “I am sorry, the line is breaking up. Could you say that again?”

Mini Practice Section

Test yourself with these four situations. Read the scenario, then check the suggested answer.

Question 1

Situation: A customer on the phone says, “The warranty does not cover this because the damage was caused by improper installation, which is listed in section 4.2 of the manual.” You do not understand what “improper installation” means in this context.
What do you say?

Answer: “I am sorry, I do not follow. Could you explain what you mean by improper installation in this case?”

Question 2

Situation: A customer in a store says, “I want a refund, but the manager said no because of the 30-day rule.” You did not hear the last part clearly.
What do you say?

Answer: “Sorry, I did not catch that. Can you say the part about the 30-day rule again?”

Question 3

Situation: You are reading a complaint email, and the customer writes, “The discrepancy in the invoice is due to the prorated adjustment from the previous billing cycle.” You do not know what “prorated adjustment” means.
What do you say in your reply?

Answer: “Thank you for your email. I want to make sure I understand correctly. Could you explain what you mean by prorated adjustment?”

Question 4

Situation: A customer is very upset and talking fast. You cannot follow the story.
What do you say?

Answer: “I understand you are frustrated. I want to help, but I need to make sure I get all the details. Could you slow down a little and tell me the main problem first?”

Frequently Asked Questions

1. Is it okay to say “I don’t understand” directly?

Yes, but it is better to soften it. Instead of “I don’t understand,” say “I am sorry, I do not understand.” The apology makes it polite. In very informal settings, “I don’t get it” is fine, but avoid it in formal emails or with upset customers.

2. What if the customer gets angry when I ask for clarification?

Stay calm. Repeat that you want to help. Say, “I am asking because I want to solve this correctly for you. Please bear with me.” Most customers appreciate that you are trying to get it right.

3. Should I use “pardon” or “excuse me”?

“Pardon” is very formal and a little old-fashioned. “Excuse me” works, but it can sound like you are interrupting. “Sorry” or “I am sorry” is the safest and most natural choice for most situations.

4. How do I ask for clarification without sounding like I was not listening?

Show that you were listening by repeating part of what they said. For example: “I heard you say the discount did not apply. I did not catch why. Could you explain that part again?” This proves you were paying attention.

Final Tip for Learners

Practice these phrases out loud. The more you say them, the more natural they will feel. When you are in a real complaint resolution conversation, your goal is to solve the problem, not to sound perfect. Saying “I do not understand” the right way is a skill that makes you a better communicator, not a weaker one. For more help with the language of complaints, explore our Complaint Resolution Conversation Problem Explanations and Complaint Resolution Conversation Polite Requests sections. If you have questions about how we write our guides, see our Editorial Policy or visit our FAQ page.