MEANING/意义
用功
EXAMPLES/列句
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这学期我一定要用功学习。I must study hard this term.
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她学习很用功,唯恐落在别人后面。She studies very hard,for fear that she would lag behind others.
COMBINATIONS/组合
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无用功idle work,in vain
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用功读书to study hard,to study diligently