心血来潮 xīnxuèláicháo on a whim Definitions Defs Origin Strokes Stroke Words Sentences Sents 心血 xīnxuè heart's blood (literary) The blood of the heart, believed to be the seat of one's spirit and vitality来潮 來潮 láicháo to rise (of water or tides) to rise; (metaphorical) to have a sudden thought or surge of emotion
