rigid,hard,stiff,tough这些词有什么不同? - 知乎
这组形容词都含有“坚硬的”意思。 Rigid僵直的,不弯曲的,坚硬的,如: 1. These plates are fairly rigid. 这些盘子非常坚硬。 2. She was a fairly rigid person who had strong religious views. 她相当顽固,宗教观念极强。 Hard(很难弯曲或断裂) 硬的, 坚硬的,如: 3. Diamonds are the hardest kno...