must have done

基本解释

• 必定做了…（表示对过去的推测）

英汉例句

双语例句

• He must have done something right, however.
  然而，他也肯定做过一些正确的事。
• The man must have done something right, more right than all jumpers before.
  这个人一定是做了些很对的事，比所有以前跳高的做得更对。
• Even comfortable middle class people can fall into the trap of thinking that because they can't afford every luxury they must have done something wrong.
  即使是在舒适的中产阶级中也会落入思维的陷阱,因为他们并不是买得起每一件的奢侈品,他们都有做错事情的时候。

原声例句

• But they surely must have done it before too.
  但是之前也肯定有过阴谋诡计
  耶鲁公开课 - 古希腊历史简介课程节选
• They must have done-- but they didn't win.
  他们肯定已经,但是他们不是赢家
  耶鲁公开课 - 博弈论课程节选

权威例句

• This chart made me buy cupcakes (marketers, take note) so it must have done something right.
  FORBES: The Anatomy of A Recipe
• In the BNSF boardroom Buffett must have done an excellent job of taking fear off the table.
  FORBES: How to Hunt Elephant Deals Like Buffett

• must have done更多例句