熱心 rèxīn HSK4 enthusiastic Definitions Defs Origin Strokes Stroke Words Sentences Sents Showing: to be enthusiastic about All meanings 2 rèxīn 2 enthusiastic 1to be enthusiastic about 1 1 sentence for 熱心 (rèxīn — to be enthusiastic about) 我们热心于帮助他人。 wǒmen rèxīn yú bāngzhù tārén. We are enthusiastic about helping others. Source: CCMatrix