Mary passed the board exam with flying colors.
Jane seems sweet, but watch out. She's a wolf in sheep's clothing.
I've been working my butt off for years, but I have nothing to show for it.
John zeroed in on the problem and immediately found a solution.
What’s wrong with Max? I just asked him how he was doing, and he jumped down my throat for no reason.
Something is not right. I smell a rat.