Correct

决口

/ juékǒu /
Strokes

Definition

(of a watercourse) to breach its banks/(of a dam) to burst

Example

As a Verb

(of a dyke, etc) burst; be breached

1
大雨
shǐ
使
河堤
juékǒu
决口
  

Heavy rains caused the river to burst its banks.

As a Noun

breach (of a river)

2
zhù
堵住
juékǒu
决口

close up a (river) breach