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to throw away; to cast away; to dump; to discard
to abandon; to desert; to leave
to give up; to resign
古い雑誌を棄てることにした。
I decided to throw away the old magazines.
まだ使えるものは棄てないでほしい。
I don't want you to throw away things that are still usable.
ゴミは決められた場所に棄ててください。
Please dispose of trash at the designated location.