Correct
开动 vs 发动
/ kāidòng vs fādòng /
Strokes
Definition
开动 and 发动 both are Verbs, which means [start; set in motion; launch].
Example
开动 and 发动 both Verbs means "to set a machine in motion".
1
Yìnshuājī
印刷机
kāidòng
开动
(
fādòng
发动
)
qǐlai
起来
le
了
。
The printing press started.
开动 stresses "to start motion", while 发动 stresses "the process of operation through ignition".
2
Tiānhándìdòng
天寒地冻
,
qìchē
汽车
hǎo
好
róngyì
容易
cái
才
fādòng
发动
qǐlai
起来
。
It was not easy to start the car for it was freezing.
开动 can be used figuratively to mean "using one's brain, etc.". For instance, in colloquial speech one can say.
3
Dàjiā
大家
yào
要
jījí
积极
kāidòng
开动
nǎojīn
脑筋
xiǎng
想
bànfǎ
办法
。
Everyone is racking his or her brain to find a way.
开动 can also mean "to be on the move of the troop or traffic".
4
Duìwǔ
队伍
xiūxi
休息
le
了
yīhuìr
一会儿
jiù
就
kāidòng
开动
le
了
。
The troops were on the move again after a short rest.
5
Huǒchē
火车
kāidòng
开动
le
了
。
The train has started.
发动 can mean "to start a war".
6
Qīnlüèzhě
侵略者
fādòng
发动
le
了
zhànzhēng
战争
。
The invaders launched the war.
发动 can also mean "to mobilize people to engage in a campaign (usually of a big scale)".
7
Xiànlǐ
县里
fādòng
发动
le
了
dàpī
大批
míngōng
民工
kànghóng
抗洪
qiǎngxiǎn
抢险
。
The county government mobilizes a body of civilian workers to fight against the floods.
8
Chǎngzhǎng
厂长
fādòng
发动
qīngnián
青年
gōngrén
工人
zài
在
chǎngfáng
厂房
zhōuwéi
周围
zhíshù
植树
。
The director of the factory called up young workers to plant trees around the factory compound.