你们必须停止这种如此愚蠢的行动国。

You ought to desist from such foolish activities.

youdao

我们的确离开了。在这个极愚蠢的行动被发现和叫停之前，我们越过了山肩。

And away we did go, and were over the shoulder of the hill before the insane movement could be discovered and stopped.

youdao

任何依据这些破碎证据的行动都将是愚蠢的。

Any action on the basis of such fragmentary evidence would be foolish.

《柯林斯英汉双解大词典》