JMdict: 2416810

火の用心 【ひのようじん】

  1. [exp] be careful about fire; watch out for fire
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Kanji in this word:

Kanji Meanings On Readings Kun Readings
Fire ひ, -び, ほ-
Utilize, Business, Service, Use, Employ ヨウ もち.いる
Heart, Mind, Spirit, Heart Radical (no. 61) シン こころ, -ごころ