not know whether to laugh or cry idiom
哭笑不得;不知如何是好
to not know how to react in a particular situation
When she told me they were getting married I didn't know whether to laugh or cry. 当她告诉我他们要结婚了时，我简直不知该如何是好。
英汉双解词典收录81607条英汉双解翻译词条，基本涵盖了全部常用单词的读音、翻译及用法，是英语学习的有利工具。