catch at

(redirected from catch doing)

catch someone at something

 and catch someone doing something
to discover someone doing something, especially something bad or shameful. We caught her at her evil deeds. Don't let me catch you doing that again!
See also: catch

catch at

Snatch, grasp, as in The beggars kept catching at their coats. [c. 1600] Also see grasp at straws.
See also: catch
References in periodicals archive ?
Every kid you catch doing something wrong is going to tell his friends,'' Deputy Max Godinez said.