(of water) to rise to such a high level that it goes over the top or edges of something

Floodwaters overtopped the levees that year. 那年洪水淹没了堤坝。

(of a river, lake, etc.) to have so much water that the water goes over the top or edges of it

There are fears that the river will overtop. 人们担心河流会决堤。