关头 guāntóu HSK7 juncture Origin Definitions Defs Strokes Stroke Words Sentences Sents 紧要关头 jǐnyàoguāntóu critical juncture a crucial and urgent moment; a turning point in a situation生死关头 shēngsǐguāntóu critical moment a life-and-death crisis; a moment of extreme urgency where survival is at stake机关头 jīguāntóu locomotive engine of a train or railway vehicle