いったんかんきゅう 一旦緩急 LinksSentence search for 一旦緩急Sentence search for いったんかんきゅうKanji details for 一, 旦, 緩 and 急Edit in JMdict Expressions (phrases, clauses, etc.)1. (when) danger threatens; should an emergency occurYojijukugo (four character compound) Discussions Log in to talk about this word.