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to steal
to plagiarize; to steal (a technique, idea, etc.); to watch and learn
to do stealthily
to do during scant time
to steal a base
何者かが美術館から絵画を盗んだ。
Someone stole a painting from the museum.
先輩の技術を見て盗みました。
I watched and stole the senior's technique.
盗むなんて絶対にダメです。
Stealing is absolutely unacceptable.