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to stop (an activity); to cease; to discontinue; to end; to quit
to cancel; to abandon; to give up; to abolish; to abstain; to refrain
タバコをやめました。
I quit smoking.
雨が降ったので、散歩をやめた。
It started raining, so I stopped taking a walk.
もう遅いから、勉強をやめよう。
It's already late, so let's stop studying.