再加工一下；润色
... use a brush使用刷子 give it another brush润色,加工一下 give one's hat a brush把帽子刷一刷 ...
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再加工一下(give it another brush), 此释义来源于网络辞典。
touch up / polish up
Before the artist finished his work he liked to give it another brush.
那位画家在完成他的工作之前喜欢润色一下他的作品。