1. have my doubts.我很怀疑。 　　I have my doubts-/I am doubtful./I smell a rat here. 　　It's fishy./It's reliable./It's a little suspicious./It's strange.
　　情景对话 　　A:He said he loved he。他说他爱她。 　　B:I am doubtful.我对此表示怀疑。
　　A:The final examination will be held at the end of this month. Have you made a good preparation?这个周末就要期末考试了。你做好准备了吗? 　　B:Sure. I've reviewed all the lessons I've learned at this academic yea。当然。我已经复习好这个学期学的所有功课了.
　　A:Are you sure you can do well this year?你肯定你可以在今年的考试中取得好成绩? 　　B:I'm a hundred percent certain.我肯定。
　　A:According to what you did last time I have my doubts.根据你上次所说的，我表示怀疑。 　　B:I'm sure I can get a 95 this time.我有把握这次我可以考95分。
[图片0] 　　 are lying!你在说谎。 　　That's a lie./Your noise is growing. 　　Do you think I will fall for that?/Don't try to fool me with your lies. I don't buy that./Don't lie to me./You are cryingwolf again. 　　You don't fool me./Is it true?/You are lying!
　　短对话 　　A:I am divorced.我离婚了。 　　B:You are lying!你骗人!
　　3. have no doubt.我不会怀疑。 　　I have no doubt./No doubt about it./Without a doubt.
　　短对话 　　A:We will win the game.我们会赢得比赛的。 　　B:No doubt about it.对此我不怀疑。