拳不离手，曲不离口

• the boxer's fist must stick to its task and the singer's mouthno rest must ask

参考释义

拳不离手，曲不离口 [quán bù lí shǒu qǔ bù lí kǒu]

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近反义词

【近义词】

• 熟能生巧
• 勤学苦练