change his mind的用法和樣例：
例句
- His decision was a slap in the face to those who had tried to change his mind.
他的決定對於那些試圖要說服他的人不啻是一記耳光。 - I've tried to persuade him to change his mind but he's adamant.
我竭力勸他改變主意，但他毫不動搖。 - He was surely about to change his mind.
他一定會改變主意。 - We tried in vain to make him change his mind.
我們想使他改變主意，結果是白費心機。
