I don't take him too seriously.
我不把他的话太当真。
----------------------------------------------------------------------
今天的几个句子是有关怀疑的:1.It sounds fishy to me. 听起来很可疑。2.I won't buy that story. 我不会信他的话的。3.I think he is lying. 我认为他在说谎。4.It can't be! It's too good to believe! 怎么可能!好得让人难以置信。