命旦夕に迫るめいたんせきにせまる Expression Godan English jmdict 1 expressions (phrases Godan verb with 'ru' ending to be on the brink of death
旦夕たんせき Noun Adverb English jmdict 1 noun (common) (futsuumeishi) adverb (fukushi) on the brink of 2 noun (common) (futsuumeishi) adverb (fukushi) morning and evening;day and night