quick(ly)

1.quick（形容词）to...（不定式）作“（在性情或智力上）易于…”解。例如：He is quick to sympathize.（他易于同情［他人］。）和This child is quick to learn.（这个孩子［对于任何事情］一学即会。）说“工作得快”和“写得快”不可说quick to work和quick to write。

2.在口语里quick往往被用作副词，用在动词后面。例如：Come quick!和Run as quick as you can. He quickly opened the door and ran out里的quickly不可改作quick。