“愚蠢的”造句

我真应该跟我这些愚蠢的朋友理论理论！
I shall have words with these stupid friends of mine!

基于如此不完整的证据采取的任何行动都是愚蠢的。
Any action on the basis of such fragmentary evidence would be foolish.

这是个愚蠢的想法，他已经把事情弄糟了。
It is a silly idea and he has botched it.