Usage note
红绿灯是路口用来控制车辆和行人的灯。
hóng lǜ dēng shì lù kǒu yòng lái kòng zhì chē liàng hé xíng rén de dēng。
A traffic light is a light at intersections that controls cars and pedestrians.
Context note
红绿灯常出现在交通、过马路和安全里。
hóng lǜ dēng cháng chū xiàn zài jiāo tōng 、 guò mǎ lù hé ān quán lǐ。
Traffic lights often appear in traffic, crossing the road, and safety.
5 examples
红绿灯亮了。
hóng lǜ dēng liàng le。
The traffic light turned on.
我们等红绿灯。
wǒ men děng hóng lǜ dēng。
We wait for the traffic light.
红绿灯是红色的。
hóng lǜ dēng shì hóng sè de。
The traffic light is red.
看到红绿灯要停。
kàn dào hóng lǜ dēng yào tíng。
You should stop when you see the traffic light.
过马路要看红绿灯。
guò mǎ lù yào kàn hóng lǜ dēng。
You should look at the traffic light when crossing the road.
5 mini stories
过马路前，我们先看红绿灯。
guò mǎ lù qián， wǒ men xiān kàn hóng lǜ dēng。
Before crossing the road, we first look at the traffic light.
红绿灯变绿了，大家才开始走。
hóng lǜ dēng biàn lǜ le， dà jiā cái kāi shǐ zǒu。
Only when the traffic light turned green did everyone start walking.
妈妈说红绿灯很重要，要认真看。
mā ma shuō hóng lǜ dēng hěn zhòng yào， yào rèn zhēn kàn。
Mom said traffic lights are very important and we should watch carefully.
路口的红绿灯亮着，车子都停下来了。
lù kǒu de hóng lǜ dēng liàng zhe， chē zi dōu tíng xià lái le。
The traffic light at the intersection is on, and all the cars have stopped.
我学会了红灯停，绿灯行。
wǒ xué huì le hóng dēng tíng， lǜ dēng xíng。
I learned that red means stop and green means go.
Mini dialogue
过马路
A
过马路前，一定要看红绿灯。
Guò mǎ lù qián, yī dìng yào kàn hóng lǜ dēng.
Before crossing the road, you must look at the traffic light.
B
我知道，绿灯亮了才能走。
Wǒ zhī dào, lǜ dēng liàng le cái néng zǒu.
I know, you can only go when the green light is on.
红灯停
A
红绿灯现在是红色的，我们等一等。
Hóng lǜ dēng xiàn zài shì hóng sè de, wǒ men děng yī děng.
The traffic light is red now, let's wait a moment.
B
好的，红灯停，绿灯行。
Hǎo de, hóng dēng tíng, lǜ dēng xíng.
Okay, stop on red, go on green.
Related words and contrasts
related
红灯
hóng dēng
red light
The red light means stop
related
绿灯
lǜ dēng
green light
The green light means go
related
马路
mǎ lù
road
Traffic lights are found on roads