Correct

开绿灯

/ kāi lǜ dēng /
Strokes
https://i.cchatty2.com/filters:format(webp)/fit-in/684x0/img/202102/开绿灯-Chinese-idioms-Cchatty-7dab4a70-e4b1-478f-8f01-0acc737faa4b-1612777033.jpg

Collocation

1
拒绝
2
不可开绿灯
3
为/给……某人或某事)开绿灯

Definition

开绿灯

Literally means:

give someone the green light

Actually means:

give permission, give one's approval

It figuratively refers to permitting something.

比喻允许做某事。

Example

Used as predicate or object. (作谓语、宾语)
1
Gǎi
改革
kāifàng
开放
lái
以来
  
,
shǎo
不少
xué
大学
wéi
shū
特殊
réncái
人才
kāidēng
开绿灯
  
,
gěi
men
他们
gōng
提供
le
hěnduō
很多
yōuhuì
优惠
tiáojiàn
条件
  

Since the reform and opening up, many universities have given the green light to special talents and provided them with many preferential conditions.

2
Zài
zhège
这个
ōu
地区
kāi
gōngchǎng
工厂
  
,
必须
shì
méiyǒu
没有
huánjìng
环境
rǎn
污染
de
  
,
zhèng
政府
cái
huì
kāidēng
开绿灯
  

To open a factory in this area, there must be no environmental pollution before the government will have the green light.

3
Zhè
这里
de
shāngdiàn
商店
duì
gòumǎi
购买
xiāngyān
香烟
de
qīngshàonián
青少年
  
,
一律
jué
拒绝
kāidēng
开绿灯
  

Shops here refuse to give the green light to teenagers who buy cigarettes.

Related

开绿灯