at a clip

۱ - یه جا، مداوم، بدون/بی وقفه ، پشت سر هم،
In a particular span of time
All at once
• I peeled 20 kilograms of potatoes at a clip
۲ - به سرعت : quickly
At a fast /brisk/good/quick/steady clip
• All of them were moving west, not quite running but at a steady clip