staggers , staggering , staggered
If you stagger, you walk very unsteadily, for example because you are ill or drunk.
He lost his balance, staggered back against the rail and toppled over.
他失去了平衡,向后趔趄撞在了栏杆上摔倒了。
If something staggers you, it surprises you very much.
The whole thing staggers me.
整件事让我震惊。
To stagger things such as people's holidays or hours of work means to arrange them so that they do not all happen at the same time.
During the past few years the university has staggered the summer holiday periods for students.
在过去几年里这所大学将学生放暑假的时间相互错开。