farfetched
adj. 牵强的;乱七八糟的;靠不住的
例句
His jokes were somewhat farfetched.
他的笑话有些牵强附会。
《新英汉大辞典》
The analogy is rather farfetched.
这个比方有点驴唇不对马嘴。
Your explanation sounds farfetched.
你的解释有些牵强。