兴奋 xīngfèn HSK4 excited Definitions Defs Origin Strokes Stroke Words Sentences Sents 兴奋剂 xīngfènjì doping performance-enhancing drugs used by athletes to gain an unfair advantage in competition兴奋高潮 xīngfèngāocháo orgasm The climax of sexual excitement.反兴奋剂 fǎnxīngfènjì anti-doping (sports) anti-doping