scratch at

英 美
  • at prep.在;向,朝;处于…状态;在…远;(用于速度、比率等)以,达
  • scratch v.抓;搔(痒);划破;划掉n.抓痕;乱写;抓的声音;起跑线adj.无让步的
    1. A dog scratched at the door to be let in.
      狗嚓嚓地抓门要想进来。
    2. How did you come by that scratch on your cheek?
      你脸上的抓痕是怎么来的?