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BE up 是什么意思,怎么用?

来源于 be up的意思: 1.在高处;在上;直立姿势: The ladder is up.梯子支立着。 2.(醒来)起床: He isn't up yet.他尚未起床。 3.熬夜,不睡觉: He has been up all night.他一夜未睡。 I'm often up late.我常开夜车。 I'm full up with wo...

be up to [常用词义](忙于)做„„;从事„„ be up to中的to是介词,后需接名词性结构。 如: What were you up to last week? 你上周在做什么

be up to something [英][bi: ʌp tu: ˈsʌmθiŋ][美][bi ʌp tu ˈsʌmθɪŋ] 策划(忙于)某事 双语例句 1 Dont ever get too comfortable with the status quo, always be willing to blow it up and s...

be up to 胜任,从事于; 例句: I'll be up to see you tomorrow. 我明天来看你。 If we stay, we'll be up to our necks. 如果我们还呆在这里, 我们就出不去了。

be caught up in 被卷入 双语对照 词典结果: be caught up in [英][bi: kɔ:t ʌp in][美][bi kɔt ʌp ɪn] 被卷入,牵涉,涉及; 以上结果来自金山词霸 例句: 1. But consequently, you don't want to be caught up in an...

be up to something 策划 be up to sb. 取决于,有。。。决定

be up to 胜任;该由…负责;轮到…;从事,忙于 So far, they appear to be up to the task. 到目前为止,他们表现出承担了这一任务。 But they said this would be up to those device makers. 但是他们表示,这将取决于那些设备制造商 There ca...

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...

be up to 胜任;该由…负责;轮到…;从事,忙于

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