期末考试相关英文表达

I don't have a clue about it.

八字还没一撇呢.

Clue: (解决疑案、问题等的)线索,迹象,提示
"Do you know the time of the next train?" "I don't have a clue."
"您知道下一班火车的时间吗?" "我一无所知."
The police have no clue to his identity.
警察没有可以确定他的身份的任何线索.