Definition
When a bigger vessel collides with a smaller one, potentially causing it to sink.
（较大的船）撞上，撞击
At sea, a cargo ship accidentally ran down a small fishing boat.
在海上，一艘货船意外地撞上了一艘小型渔船。
It's best to stay alert while navigating large vessels to avoid running down small craft unintentionally.
驾驶大型船只时最好保持警觉，以免无意中撞上小型船只。
Dolphins were leaping at the surface, almost run down by a yacht, but fortunately the captain swerved in time to avert disaster.
海豚在海面上跳跃，几乎被一艘游艇撞上，但幸运的是船长及时转向避免了灾难。