ONE PHRASE, IN CONTEXT
a tough nut to crack
难对付的人;难解决的问题

GET TO KNOW THE MEANING
读懂它,也学会这样说。
01难对付的人;难解决的问题
非正式。根据主语判断是人还是问题。
IN A SENTENCE
This puzzle is a tough nut to crack.
这道谜题真难解。
"Can you get him to talk?" "He's a tough nut to crack. He won't even tell me his name."
“你能让他开口吗?”“他可不好对付,连名字都不肯说。”
