例如，蛋糕可能太软或太硬。

For example, the cake can be too soft or too hard.

youdao

在欧洲，人们发现野猪毛太硬，会使牙龈流血，所以就改用了更为柔软的马毛。

In Europe, it was found that wild boar hair was too stiff and made the gums bleed, so horsehair, which was softer, was used instead.

youdao

这东西太硬，我无法用手把它弯过来。

This is too stiff, I can't bend it with my hands.

《新英汉大辞典》