1.Why bother... ? 何必费心……？何必麻烦……？
例句：Why bother your head about such trifles?
你何苦在这些小事上伤脑筋？
2.will power 意志力，舞力
例句：He is a man of extraordinary will power.
他是个具有非凡意志的人。
3.wind up （使）结束，把（事务）料理停当；上发条，调弦；（常用被动语态）使紧张，使激动；使卷入；以……告终
例句：Little did I know that I would actually wind up being on the staff
我完全没有想到自己最后竟会在这里供职。
4.wipe out 擦掉，彻底摧毁，消灭
例句：We'll wipe out any enemy that dares to invade our territory.
敌人胆敢来犯，我们就把它消灭。
5.wipe (up) the floor with sb. 把某人打得大败
例句：He could wipe the floor with the Prime Minister.
他能彻底击败首相。
6.wise after the event 事后聪明的
例句：It is easy to be wise after the event.
事后诸葛亮人人会做。