use one thing for many purposes / work someone hard

body

counter for humanoid objects

In general: the body, e.g. of a human or animal / substance; matter / form; shape / (algebra) field (commutative ring with invertible nonzero elements)

outward appearance; look; aspect

(colloquial) current boyfriend

everything

(slang) Alternative form of 彼氏 (kareshi, “boyfriend”)

everyone, one and all

general build and appearance (of the body)