꾀병
fake being sick
lie about being sick

Are you faking it?
Are you really sick?
Are you being sick?

엄살
overreact

행동이 서투르다, 덤벙대는 사람
clumsy

엄살 + 상처 잘 받는 사람
Cry baby
act like a baby

감기 걸릴 것만 같아.
I think I’m coming to something/ flu/ cold.

아파서 못 간다고 하는 전화
call in sick