1.
( informal ) to be quick to understand or react in a new situation :
You can't fool him—he's always quick on the draw.
2.
to be quick at pulling out a gun in order to shoot it
1.
( informal ) to be quick to understand or react in a new situation :
You can't fool him—he's always quick on the draw.
2.
to be quick at pulling out a gun in order to shoot it
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005