HSK C7-9/V7-9
Correct

/ zhá /
Strokes

Definition

gear/brake/sluice/lock (on waterway)/electric switch or circuit breaker

Example

As a Noun
floodgate; sluice; sluice gate
1
Kāizhá
开闸
fàngshuǐ
放水

sluice out the water

As a Verb
dam up a stream, river, etc
2
Shuǐliú
水流
de
tài
měng
  
,
zhá
zhù
  

The water rushed too wildly to be dammed up.

3
Zhá
zhù
shuǐ
河水
fánghóng
防洪

dam up a river to control flooding

As a Noun
brake; switch
4
Bānzhá
扳闸

operate a switch; switch on/off