I would like to share with you a native phrase today, a tough (or hard) nut to crack.
A tough (or hard) nut to crack is a problem that’s hard to deal with, or a person who is difficult to understand.
How can I pass the final exam? That’s a hard nut to crack!
How can we increase sales during a recession? That’s a tough nut to crack!
My new boss is a tough nut to crack. I never know if she’s pleased with my work.
Practice this phrase with your language partners on the language table!
We will have several interesting events in the college this week. Try to participate in any of them and make more friends.