Correct
天兵
/ tiānbīng /
Strokes
Definition
celestial soldier/(old) imperial troops/(Tw, jocular) clumsy army recruit/(more generally) bungler/screw-up
Example
As a Noun
(in legends) troops from heaven—invincible troops
As a Noun
imperial troops (in feudal times)
As a Noun
natural weapons of animals (such as teeth, claws, horns, etc)