硬功夫[yìng gōng fu]
词典great proficiency：硬功夫。
词典danci.911cha.com
词典masterly skill：硬功夫。
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great proficiency; masterly skill:
例：练就一身硬功夫
acquire masterly skill through intensive training
1. 硬功夫
1. dagg：三七开daga | 硬功夫dagg | 胡萝卜dahh