| 词汇 | 用心 |
| 释义 | 用心用心[yòng xīn]1.■ （集中注意力) diligently; attentively; with concentrated attention:用心去想一想do some hard thinking;用心学习concentrate on one's studies; study diligently;用心听讲listen attentively to a lecture;用心做习题work hard at exercises 常用词组1.■ （居心） motive; intention:别有用心have ulterior motives;用心不良vicious intention |
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