I don't understand.

Meaning

Expressing a lack of comprehension.

Examples

• John: The instructions are confusing. <b>I don't understand</b>.
• Alice: Let's go through them step by step. What part is unclear?
• John: I'm lost after the third step. <b>I don't understand</b> what to do next.
• Alice: Okay, let's focus on that step. Here's a simpler explanation...