| 释义 |
●know what you’re ˈtalking about (informal) have good knowledge of sth; be an expert on sth 熟知某事；作经验之谈◆I really enjoyed that lecture. She certainly knows what she’s talking about.
我很喜欢那个讲座，她对所谈的东西很熟悉。◆That history teacher doesn’t know what he’s talking about. He makes a lot of mistakes.
那个历史老师信口开河，错误百出。 |
