形容词
中文翻译：Unknown
同义词：
['carefully', 'seriously', 'earnestly']
例句：
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1.She always studies hard and does her best to learn new things.
她总是努力学习，尽最大努力学习新东西。
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2.He listened carefully to the teacher's instructions.
他仔细听老师的指示。
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3. The student was earnest in his work and did not give up easily.
这个学生工作认真，不容易放弃。