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wasteful; a waste
too good; more than one deserves; unworthy of
impious; profane; sacrilegious
才能があるのに活かさないのは物体無いね。
It's a waste not to use your talent.
半分も食べずに残すのは物体無かった。
It was wasteful to leave more than half uneaten.
自分への投資だから物体無くないと思う。
I think it's not wasteful since it's an investment in myself.