非上廁所不可

非 fei ˉ

Without, Not, Non, Un, Opposition, Mistake

上廁所 shangˋ ceˋ suoˇ

(Go to the) Go to the toilet

廁所 ceˋ suoˇ

(Toilet, Water closet) Toilet, Water closet

不可 buˋ keˇ

(Difficult, Forbidden, Hard, No, None, Not allowed) No, None, Hard, Difficult, Not allowed, Forbidden