口语马拉松 122 - 敲不开的坚果

MUSIC: Sky Sailing - Tennis Elbow He's a hard nut to crack.  他是一个难对付的家伙。 “hard nut to crack” 先理解一下表面意思： hard 硬的，在这里用来强调 nut 很硬； nut 坚果，表示坚果有硬壳很坚硬，不易砸开 crack 裂缝，声变，破裂，变声 As we all know, Our boss is a hard nut to crack, every time we want to ask for a leave, he simply says no, whatever reason you might have. A: Why do you look so upset? B: Don’t you know that we are going to have a math exam tomorrow? A: So what? Relax. It is a piece of cake. B: It might be a piece of cake for you, but for me, it's a hard nut to crack.