快手

tā shì gè zhī máo yī de kuài shǒu

她是个织毛衣的快手。

She is a quick hand at knitting.

kuài shǒu dài dòng màn shǒu

快手带动慢手。

The deft hand guides the slow hand.

nǐ shì ge xiě zuò kuài shǒu

你是个写作快手。

You are a quick hand in writing.