Be quick on the uptake phrase informal
Used to say of one who has the ability to understand or grasp things quickly and easily
After listening to the teacher's guide, he can answer these difficult questions within a short time. You know, he is quick on the uptake.
He's quick on the uptake because he can get familiar with his new job after only 2 weeks.
This little boy is quick on the uptake.
The new student is very quick on the uptake. She never asks me to explain a thing twice.
This idiom is believed to become popular in Scotland as early as the mid-1800’s.
To complain that something is unfair or illegal.
When the parents buy toys for only one of their children, the others may cry foul.