fine down

• • (使)变细、变薄、变瘦：

    His face was fined down a lot since last year.

    他的脸自去年来瘦了许多。

  • (使)(某物)更好，更精确；更精细：

    As the writer gained experience, she fined down her choice for words.

    这位女作家有了经验后，选词就更加精确了。