Definition: not knowing what to say Level: C2
突如其来的公告让他哑口无言。
The sudden announcement left him ___at ___a ___loss ___for ___words.
如果她问我那个问题，我会不知道该说什么。
If she asked me that question, I would be ___at ___a ___loss ___for ___words.
目睹了奇迹之后，他们都哑口无言。
After witnessing the miracle, they were all ___at ___a ___loss ___for ___words.
