Correct

省油灯

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Strokes
https://i.cchatty2.com/filters:format(webp)/fit-in/684x0/img/202102/省油灯-Chinese-idioms-Cchatty-44630ba6-6f95-4654-9c45-dba3e74b26f6-1612777815.jpg

Collocation

1
不是一盏省油的灯
2
不是善罢甘休的省油灯
3
不是好对付的省油灯
4
不是省油灯
5
成了省油灯
6
是省油灯

Definition

省油灯

Literally means:

that saves oil

Actually means:

person who doesn't make trouble

It literally refers to a lamp that saves oil.

Figuratively it means that one is very peaceful and quiet, in the negative form, referring to a trouble maker or one who is aggressive and is not to be bullied.

用油少的灯。

比喻安分、老实、不主动找麻烦的人。多用于否定形式,表示招惹是非的人,或敢于抗争,不好欺侮的人。

Example

Used as object or subject. (作宾语、主语)
1
guài
奇怪
  
,
rén
zhēnshi
真是
huì
biàn
de
  
,
xiǎngbudào
想不到
ge
那个
xiàng
一向
tiáo
调皮
dǎoluàn
捣乱
de
xiǎozhāng
小张
  
,
jīn
如今
dǎo
chéng
le
shěng
yóudēng
油灯
  

Strange, people are really going to change, can't imagine that the always naughty little Zhang, now turned into a fuel-saving lamp.

2
Xiǎowáng
小王
xiào
zhāo
duì
shuō
  
:
rénjiā
人家
xiǎoguō
小郭
zhěngtiān
整天
shénme
什么
xiánhuà
闲话
shuō
  
,
zhī
máitóu
埋头
gànhuó
干活
  
,
zhèyàng
这样
de
shěng
yóudēng
油灯
dào
哪里
zhǎo
ā
  
?

Xiao Wang smiled and said to me: "People Xiao Guo all day what gossip does not say, only bury your head to work, such a fuel-saving where do you go to find ah?"

3
Èr  
二婶
shěn
shi
shěng
省油
yóu
de
  
,
dēng
  
发现
xiàn
别人
biéren
损害
sǔn
hài
de
利益
  
,
  
jiù
人家
rén
jiā
  
,
zhēng
chǎo
  
diǎn
让步
  

Second aunt is not a fuel-efficient lamp, as soon as she found that others harm her interests, she and others to fight, not to give in.