您要查找的是不是：
- 你肯定他是谁吗? Are you certain who he is?
- 你敢肯定他是谁吗? Are you certain who he is?
- 你真的能肯定他是谁吗? Can you really be certain who he is?
- 没开玩笑吧!你能肯定他是和她一起去了? No kidding! are you sure that he's gone with her?
- 你肯定他是这样说的吗? Are you positive that he said so?
- 汤姆和他的孪生兄弟，你认得出谁是谁吗? Can you tell Tom from his twin brother?
- 你肯定他没有背着你另有所爱? Are you sure he's not two-timing you?
- 不管他是谁，他都可以在我国现代化中发挥作用。 No matter who he may be, he can play his part in the modernization of our country.
- 你肯定他会碰到什么事吗? Do you know for certain what will happen to him ?
- "你他妈的是谁？" 他粗暴地问道。 "你为何在这儿闲荡？" "And who the devil may you be?" he asked truculently. "What are you doing, hanging about here?"
- 他是有名的铁嘴，你肯定辩论不过他。 He has a silver tongue. I bet you will never beat him in debate.
- 不知道和飞轮海一同上新闻的艺人是谁吗?在这查查看吧！ Don't know who is the celebrity/artiste that was mentioned in the news/related to Fahrenheit? Check them out here!
- “那你肯定是个傻瓜，”金枪鱼说。然后他轻蔑甩了一下尾巴游走了。 "Then you must be a fool," then tuna said. And with a disdainful flick of his tail, he swam away.
- 你知道拿破仑是谁吗? Do you know who Napoleon was?
- 他是一位正直的人,我肯定他会信守诺言。 A man of integrity, he would keep his word, I am certain.
- 我不能肯定他是谁。 I am not quite certain who he is.
- 你从这儿能看出那是谁吗? Can you,standing here,tell who that man is?
- 分手是不可避免的,因为在这场分歧中你肯定是站在他一边的。 A parting is unavoidable, as you are sure to be on his side in this division.
- 封她来说，他是谁，根本是无关紧要的事。 It was utterly indifferent to her who he was.
- 你肯定吗?我刚听说他去了新加坡了。 Are you serious? I've just heard that he had gone to Singapore.
