ちあらそ 血は争えない Show inflections LinksSentence search for 血は争えないSentence search for ちはあらそえないKanji details for 血 and 争Edit in JMdict Expressions (phrases, clauses, etc.), I-adjective (keiyoushi)1. like father, like son; you can't fight bloodProverb Discussions Log in to talk about this word.