Definition
When a bigger vessel collides with a smaller one, potentially causing it to sink.
（較大的船）撞上，撞击
At sea, a cargo ship accidentally ran down a small fishing boat.
在海上，一艘貨船意外地撞上了一艘小型漁船。
It's best to stay alert while navigating large vessels to avoid running down small craft unintentionally.
駕駛大型船隻時最好保持警覺，以免無意中撞上小型船隻。
Dolphins were leaping at the surface, almost run down by a yacht, but fortunately the captain swerved in time to avert disaster.
海豚在海面上跳躍，幾乎被一艘遊艇撞上，但幸運的是船長及時轉向避免了災難。