far-fetched 牵强的，不着边际的，牵强附会的

　　Your explanation sounds far-fetched.

　　你的解释有些牵强。

　　Mike's jokes were too far-fetched. I don't like them.

　　Mike的笑话都太牵强了，我一点也不喜欢。

　　疯狂练习吧！