【当听不懂/清老外的话时】

【当听不懂/清老外的话时】

1. Come again? 再说一遍？
2. Not following you. 我没听懂。
3. Sorry, I didn't follow you. 我没听懂你的话。
4. Sorry, I don't understand.
5. Can you repeat that? 老外重复之后还没听懂可以说：
Do you mean...然后把你的理解说出来验证一下。