起劲qǐjìnvigorously; with great energy; enthusiasticallyHSK 7-9PronunciationqǐjìnExample sentence孩子们越玩越起劲,迟迟不肯回家。Háizi men yuè wán yuè qǐjìn, chíchí bù kěn huíjiā.The children became more and more enthusiastic as they played, and refused to go home.Read and choose an answerOne fixed sampleExplore a sample