ひとくろう 一苦労 LinksSentence search for 一苦労Sentence search for ひとくろうSentence search for ひと苦労Kanji details for 一, 苦 and 労Edit in JMdict Noun, Suru verb, Intransitive verb1. a hard time; painsOther formsひと苦労 【ひとくろう】 Discussions Log in to talk about this word.