keep up doing sth是什么意思

词组“keep up " 意为”坚持, 继续, 持续” 其用法主要有如下两种：

1. Keep up the struggle till you succeed. 继续战斗直到你们取得胜利。 keep on后接名词。

2. I hope the good weather will keep up.我希望好天气会继续下去。 keep up中间或后面都不接任何词。

keep up doing sth, 是一种错误的搭配。

朗文当代英语词典 中注明：

Do not say 'keep up doing something”. Say “keep doing something” or “keep on doing something”. 意思是keep up doing sth是不正确的，应该用keep doing sth或keep on doing sth.

而keep doing sth和keep on doing sth 这两者的用法又有区别，在此就不细说了。