用心 [yong4 xin1]
参考词典中用心的常规释义：
基本释义
- motive
intention
diligently
attentively
参考例句
- 他用心解决这个难题。
He applied his mind to the difficulty. - 我们一直用心于提高质量上。
We always pay attention to improving our quality. - 他终于露出了他那邪恶的用心。
He showed his sinister motive at last. - 那个强盗用心险恶。
The robber had sinister intentions. - 他翻来覆去地用心回忆他家乡旧时的情景。
He tried hard to recollect the old scenes of his hometown.
- 他用心解决这个难题。
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