Correct

开火

/ kāihuǒ /
Strokes

Definition

to open fire

Example

As a Verb

open fire on

1
Qiánxiàn
前线
jīng
已经
kāihuǒ
开火
le

Fighting has started at the front line.

2
Liǎng
zhī
jiànduì
舰队
xiāng
相互
měngliè
猛烈
kāihuǒ
开火
,
zhízhì
直至
huánghūn
黄昏

The two fleets pounded away at each other until nightfall.

3
qiāng
机枪
cóng
yǐn
隐蔽
de
zhèn
阵地
kāihuǒ
开火

A machine gun opened up from a concealed position.

4
Zhǔnbèi
准备
!
Kāihuǒ
开火
!

Ready, fire!

As a Verb

attack

5
Huìshàng
会上
ge
rén
tóngshí
同时
xiàng
kāihuǒ
开火

Several people attacked him at the meeting.