✅ 同义词
🗣️ 情景例句
Keep quiet about it if you know what's good for you.
什么也别说,免得你自个儿添不自在。
Don't you think it's too formal?
你不觉得太正式了吗?
Were you in San Francisco at the time of the big earthquake in 1989?
1989年旧金山大地震时,你在那儿吗?