命(いのち)に関(かか)わる いのちにかかわる expression life-threatening; to be a matter of life and death descriptive 1. life-threatening; to be a matter of life and death Describes a situation, condition, or action that could result in death. Used to emphasize the extreme seriousness of a danger. 命(いのち)に関(かか)わる危険(きけん)がある。🔊 There is a life-threatening danger. 熱中症(ねっちゅうしょう)は命(いのち)に関(かか)わることもある。🔊 Heatstroke can be life-threatening. 放置(ほうち)すれば命(いのち)に関(かか)わる病気(びょうき)なので、すぐに治療(ちりょう)を始(はじ)めてください。🔊 It is an illness that can be fatal if left untreated, so please begin treatment immediately. Common patternsFunctions as a verb phrase. Can modify nouns with the plain form: 命(いのち)に関(かか)わる問題(もんだい) (a life-threatening issue). The verb 関(かか)わる conjugates as a godan verb.命(いのち)に関(かか)わる + noun (a life-threatening ~)命(いのち)に関(かか)わることもある (it can even be life-threatening)Common collocations命(いのち)に関(かか)わる事故(じこ) (a life-threatening accident)命(いのち)に関(かか)わる病気(びょうき) (a life-threatening illness)命(いのち)に関(かか)わる問題(もんだい) (a matter of life and death) general Added 2026.3.7 16:42 · Revised 2026.9.4 21:31 15000/15467_inochinikakawaru