Correct

骑警

/ jì jǐng / 
Strokes

Definition

mounted police (on horse or motorbike)

Example

As a Noun

mounted policeman/police; horseback police

1
Jìjǐng
骑警
chōngsàn
冲散
le
了
shìwēi
示威
jíhuì
集会
  
。

Police on horseback broke up the demonstration.

2
Jìjǐngduì
骑警队

mounted police