你好
做某事是浪费时间(的), 这句话用英语表达, 用It is a waste of time的句型,
后面可以跟不定式to do sth, 也可以跟
动名词, 比如说下面两句, 希采纳
It's a complete waste of time
to talk with you. You didn't listen
to me. 意思是, 跟你谈话真是浪费时间, 你都没有听我说。
又或者 It's a waste of time trying
to persuade him to do this.
这句话的意思是, 试图说服他去做这事
是浪费时间。