far-fetched
adj. 牵强的,未必会的; 不着边际
If you describe a story or idea as far-fetched, you are criticizing it because you think it is unlikely to be true or practical.
The storyline was too far-fetched and none of the actors was particularly good.
故事情节太离谱,演员表演也没有出彩的。
He still wasn't too sure that was so far fetched.
他还不敢说自己的这种想法是牵强的.