stiffened/ˈstɪf.ən/动词变僵硬;变得不易弯曲His body stiffened in fear.他吓得身体发僵。变生硬,变得拘谨She stiffened when her former husband walked into the room.她的前夫走进房间时,她变得拘谨起来。加强;(使)变得严厉;(使)变得艰难These events have stiffened our resolve to succeed.这些事件增强了我们争取成功的决心。想跟读,去练习