JMdict: 2844762

スピードを落とす 【スピードをおとす】

  1. [exp,v5s] to reduce (one's) speed; to slow down (driving, cycling, etc.)
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Kanji in this word:

Kanji Meanings On Readings Kun Readings Grade
落 Fall, Drop, Come Down, Village, Hamlet ラク お.ちる, お.ち, お.とす 3