ひとりえつい 一人悦に入る Show inflections LinksSentence search for 一人悦に入るSentence search for ひとりえつにいるKanji details for 一, 人, 悦 and 入Edit in JMdict Expressions (phrases, clauses, etc.), Godan verb with 'ru' ending1. to be pleased with oneself; to chuckle with delight Discussions Log in to talk about this word.