Home › Vocabulary › 用心に越したことはない用心に越したことはない（ようじんにこしたことはない）Japanese vocabularyMeaning: you can never be too careful; you can't be too cautious; better safe than sorrySee it used in real worksExample sentences from Japanese novels & web fiction (Massif)Hear “用心に越したことはない” pronounced in real videos (YouGlish)