英语 have a clock what was said 怎么翻译

英语 have a clock what was said 怎么翻译
If you don't understand, don't hesitate to ask. Some Chinese seem to feel that it is impolite to ask questions even when they don't quite understand. However, it's much better to say that you don't understand than to pretend you understand and answer very vagary. When you don't understand, or have a clock what was said, you may ask by saying any of the following. I beg your pardon? I am not clear