保持微笑到底是keep+smile还是+smiling

Question

RT

Answer 1

保持微笑是keep smiling。

因为保持做某事的语法为keep sth 和keep doing sth。

keep smile 中的smile是名词。

keep smiling 中的smile是动词。

保持微笑是动词，所以正确是应该是keep smiling。

Answer 2

smiling 是动名词， keep smiling 是保持微笑这种状态

Answer 3

固定短语：keep doing 所以是keep smiling

Answer 4

keep+smiling

Answer 5

keep smiling