危在旦夕 wēizàidànxī in imminent peril Origin Definitions Defs Strokes Stroke Words Sentences Sents 危 wēi noun dangerous (bound form) danger; precarious; in jeopardy; to endanger; to imperil在 zài preposition [location/time] Used as a linker to introduce the time, place, or situation of an action, meaning "at", "in", or "on".旦夕 dànxī short while a very short period of time