All words › HSK 4 热心 rè xīn HSK 4 · word 2774 of 3,000 Your browser does not support audio playback. Meaning enthusiastic; ardent; zealous Example sentence 这本书是他热心研究的成果。 zhè běn shū shì tā rè xīn yán jiū de chéng guǒ This book is a result of his enthusiastic research. Characters in 热心 热 rè to warm up 心 xīn heart Learned around the same time 却 què but 确认 què rèn to confirm 然而 rán ér however; but; yet 燃料 rán liào fuel 燃烧 rán shāo to ignite 热闹 rè nao bustling with noise and excitement 人家 rén jia other people 日记 rì jì diary 日历 rì lì calendar 如今 rú jīn nowadays; now 弱 ruò weak; feeble 伞 sǎn umbrella Study 热心 with spaced-repetition flashcards →