每日商务英语 第504期:不认真的 本文已影响 3.04W人 ing-bottom: 133.33%;">half-hearted--------不认真的(形容词)英文释义 (adjective) Having no enthusiasm; lacking interest or energy.例句 My son practices the piano for an hour every day in a half-hearted manner because he would rather play outside with his friends.我的儿子每天很不认真地练一个小时钢琴,因为他更喜欢和朋友们出去玩。