いっすんさきやみ 一寸先は闇 LinksSentence search for 一寸先は闇Sentence search for いっすんさきはやみKanji details for 一, 寸, 先 and 闇Edit in JMdict Expressions (phrases, clauses, etc.)1. no one knows what the future holds; the future is a closed book; one sun (unit of measurement) ahead is darknessProverb Discussions Log in to talk about this word.