thick and fast
US /θɪk ənd fæst/
UK /θɪk ənd fæst/

1.
接踵而至, 密集而迅速地
happening or appearing with great frequency and in large numbers
:
•
The complaints came thick and fast after the new policy was announced.
新政策公布後,投訴接踵而至。
•
During the storm, hailstones fell thick and fast.
暴風雨期間,冰雹密集而迅速地落下。