說到know這個單詞，我們都知道的意思是知道、了解。今天，我們主要看一下與know相關的習語和短語。
1、before you know where you are 瞬息之間、轉眼間、一下子
We were whisked off in a taxi before we knew where we were.還沒等我們弄清怎麼回事，計程車就一陣風似地把我們帶走了。
2、be not to know 無從知道、並不知道（做錯了事）
『I'm sorry, I called when you were in bed.』 『Don't worry─you weren't to know.』「對不起，你睡覺時打電話打擾你了。」「別在意——你不是故意的嘛。」
3、for all I know（強調不知道對自己無關緊要的事）不知道、說不定、亦未可知
She could be dead for all I know.她說不定已經死了。
4、I don't know how（批評某人的行為）真想不到、真不知道
I don't know how you can say things like that.真想不到你怎麼會說出這種話來。
5、know sth as well as I do（用以批評）其實完全明白、哪會不知道、知道得很清楚
You know as well as I do that you're being unreasonable.其實你完全明白你是在故意胡攪蠻纏。
6、know sb/sth backwards 對…了如指掌（或倒背如流）、把…背得滾瓜爛熟
She must know the play backwards by now.她現在對這個劇本肯定是倒背如流。
7、know best 最懂得、最知道、比誰都明白（該怎麼做，等等）
The doctor told you to stay in bed, and she knows best.醫生叫你臥床休息，她最清楚你該怎麼做。
8、know better (than that/than to do sth) 明白事理（而不至於）、不至於糊塗到
He knows better than to judge by appearances.他明白得很，絕不會憑表面現象來判斷。
9、know different/otherwise 所知道的不是那麼回事、所掌握的情況大不一樣（或大相逕庭）
He says he doesn't care about what the critics write, but I know different.他說他並不在乎批評家的評論，可我知道不是那麼回事。
10、know full well 非常清楚、不可否認、不可忽視
He knew full well what she thought of it.他非常清楚她對此事的看法。
今天，關於know的習語就說這麼多，您都知道了嗎？如果文章對您有幫助，請您關注、點讚、評論。