热心 rèxīn HSK4 enthusiastic Origin Definitions Defs Strokes Stroke Words Sentences Sents rèxīn enthusiastic · enthusiasm 热 熱 rè verbadjective ardent ardent; warmhearted; passionate; expressing deep or intense feelings心 xīn noun feelings mood; emotion; state of mindrèxīn to be enthusiastic about 热 熱 rè verbadjective ardent ardent; warmhearted; passionate; expressing deep or intense feelings心 xīn noun intention purpose; motive; moral character or disposition