Definition: not easy to move Level: B2
我醒来时脖子僵硬。
I woke up with a ___stiff neck.
这扇门的铰链真的很僵硬。
The hinges on this door are really ___stiff.
今天早上我的膝盖感觉僵硬。
My knee feels ___stiff this morning.
