daft

It was a daft idea to go hiking in a T-shirt during a snowstorm.

(Chinese) 在暴风雪中只穿一件T恤去远足真是个愚蠢的想法。

Don't be so daft; you can't possibly fit that giant sofa into your small car.

(Chinese) 别那么傻了；你根本不可能把那个巨大的沙发塞进你的小车里。