老外最常用的英文短語(MP3+中英字幕) 第281期:know when to

釋義：

know when (how，where) to 知道……

這次是疑問詞+to+動詞成爲 know 的賓語的情況。用作 I don't know how ( what ) to... 或 Do you know how to... ?就可以了。

例句：

Leave it to me. I know how to handle it.
交給我吧，我知道怎麼操作。
I don't know how to say it in English.
我不知道怎麼用英語說這個。
I don't know what else to do.
我不知道該怎麼用別的方法做。
I don't know what to do.
我不知道該做什麼。
I don't know what to get her for her birthday.
想不出她生日應該給她買什麼。
You shouldn't have. I don't know how to thank you.
你大可不必，我不知道該怎麼謝你。
How stupid I am! I don't know what to say.
我真是笨！竟然不知道該說些什麼。
I don't know what to say. I really appreciate it.
真不知道該說點什麼，我很感激你。
Do you know how to use it?
你知道怎麼使用嗎？
Where's Central Park? Do you know how to get there?
中央公園在哪兒？你知道怎麼去那兒嗎？
My computer broke. Do you know how to fix it?
我的電腦壞了，你知道怎麼修理嗎？

對話：

A: We're playing cards. Want to join us?
我們在打牌，想一起玩嗎？
B: Sure. I know how to play this game.
好的，我知道怎麼玩。
A: Here's the present I got for your birthday.
這是我給你的生日禮物。
B: I don't know how to thank you.
真不知道該怎麼答謝。
A: I don't know what to do.
我不知道該做什麼。
B: You want my advice?
需要建議嗎？