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BE up to sB是什么意思?

太经典了 Cuz when you wake up 当你醒来时, I wont be there 我已不会在那里了. 哈哈哈哈 好帖

be up to sb’s neck 深陷...;忙于...;到...极点 例: 1. Even as a young man he (was up to his neck) in crime. 他年轻时即已恶贯满盈. 2. He (was up to his neck) in debts then. 他当时负债累累。 3. It seems he (is up to his neck) in...

be up to sb to do be up to“由……决定;胜任”。 例如:It's up to you to decide.

不是,it做其形式主语只是其中的一种用法。 1、be up to 表示“从事于,忙于”,后面接名词、代词或-ing形式等。 如:All of us are up to good deeds.我们所有人都在做有益的事情。 Go and see what these naughty boys are up to.去看看这些顽皮...

It is up to sb. to do sth. 该句型为“该由某人做。。。”。该句型中up后的to是介词。 It is up to him to clean our classroom today. 今天应由他做教室清洁。 It is up to parents to teach their children manners. 该由父母教孩子礼貌。

这个不奇怪,因为还可能会是to choose,to make the decision等等。另外,在需要表达决定什么时.就非要这样表达不行。例如:That is up to you to dicide whether to sue the company or not.

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