be quick / fast on the draw口语
领悟敏捷;反应迅速
to be quick to understand or react in a new situation
You can't fool him — he's always quick on the draw.你骗不了他,他脑筋一向很快。
be quick / fast on the draw
拔枪迅速
to be quick at pulling out a gun in order to shoot it
释义来自《牛津高阶英汉双解词典》第 9 版