如果是词组,应该是：cheer up.
如：She cheered up after we had been to see her.
我们去看她后,她备受鼓舞.
You should cheer him up as his best friend.
作为他最好的朋友,你应该去鼓舞他.
如果是词组,应该是：cheer up.
如：She cheered up after we had been to see her.
我们去看她后,她备受鼓舞.
You should cheer him up as his best friend.
作为他最好的朋友,你应该去鼓舞他.