It would seem silly to call such a thing a "disease".

将此称为“疾病”，似乎有些愚蠢。

youdao

That was a silly thing to do !

那事做得蠢！

《牛津词典》

I regretted doing such a silly thing.

我后悔做了这样愚蠢的事。

youdao

I know some of you come from Europe and other parts of the world where the ground floor is rez-de-chauss?e or some silly thing like this 1 and you push a button on the elevator to one and you go up to the first floor.

我知道你们中间有些人来自欧洲,或者世界其他地方，你们那里的一楼,和地面齐平，或者像这样可笑的事情,比如你要按下电梯的按钮,然后才能上到真正的1楼。

麻省理工公开课 - 固态化学导论课程节选

Former head of Scotland Yard Sir Ian Blair has urged people not to vote, arguing the new police areas will be too big for any individual to represent properly - a remark Justice Secretary Chris Grayling dismissed as "a very silly thing to say".

BBC: Police officers