keep_教育门户网

有。keep up意为保持,维持, 继续,第三人称单数：keeps up 现在分词：keeping up,过去式：kept up ,过去分词：kept up。

keep up坚持;维持;沿袭(风俗、传统等);继续;持续。

归纳拓展

keep up with赶上……;与……同步前进

keep(on) doing sth.继续、重复做某事

keep on继续(进行)(后面常接动词的ing形式)

keep...from阻止;使免于

keep off远离;不接近

keep out of...(使)在外

keep to sth.遵守;信守

双语例句

1. Often they had to pause to allow him to keep up.

他们时常不得不停一停，等他跟上来。

2. [with infinitive]it was almost impossible to keep up with him.

要赶上他几乎是不可能的。

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