The red-green light is the universal visual language for safe road navigation.
Word in 30 Seconds
- A traffic signal controlling vehicle and pedestrian movement.
- Essential for road safety and traffic order.
- Used in everyday conversations about commuting.
1) 概述：红绿灯，学名“交通信号灯”，是现代交通体系中最重要的指挥工具。它通过色彩语言实现对道路资源的动态分配，确保不同方向的车辆和行人能够有序通过路口，有效预防交通事故。
2) 使用模式：在日常生活中，我们通常用“看红绿灯”来表示观察交通信号，用“等红绿灯”来表示在路口等待信号灯变色。例如：“过马路要看红绿灯。”
3) 常见场景：红绿灯广泛应用于城市道路、高速公路出入口以及人流量大的商业区。无论是步行、骑自行车还是驾驶机动车，红绿灯都是必须遵守的交通规则。在交通繁忙的早晚高峰期，红绿灯的作用尤为关键。
4) 词汇比较：虽然“红绿灯”是口语中最常用的表达，但在正式的交通法规文件或新闻报道中，有时会使用“交通信号灯”这一书面语。两者含义完全相同，但“红绿灯”更具生活气息，适合日常交流。
Examples
过马路时请注意红绿灯。
everydayPlease pay attention to the traffic light when crossing the road.
该路口安装了智能红绿灯系统。
formalAn intelligent traffic light system has been installed at this intersection.
快点，前面红绿灯变绿了！
informalHurry up, the traffic light ahead turned green!
红绿灯的设置优化了城市交通流。
academicThe placement of traffic lights has optimized urban traffic flow.
Common Collocations
Common Phrases
红灯停，绿灯行
Stop at red, go at green.
绿灯亮了
The green light is on.
红灯倒计时
Traffic light countdown.
Often Confused With
Traffic signs are static visual indicators like stop signs or speed limits, while traffic lights are dynamic signals that change color.
Grammar Patterns
How to Use It
Usage Notes
The term '红绿灯' is the standard way to refer to traffic lights in daily Chinese conversation. It is neutral in register and used by everyone from children to professionals. In highly formal or legal documents, '交通信号灯' is preferred for precision.
Common Mistakes
Some learners might mistake '红绿灯' for a literal description of just red and green lights. Remember that it functions as a collective noun for the entire signaling device, including the yellow light. Do not use '红绿灯' to refer to road signs or road markings.
Tips
Use '等' for waiting
When you are waiting for the light to change, use the verb '等' (děng). For example, '我在等红绿灯' means I am waiting at the traffic light.
Safety first at crossings
Never cross the street while looking at your phone, even if the light is green. Always stay alert to turning vehicles.
The standard of traffic lights
Traffic lights follow international standards globally. Understanding these colors is essential for traveling in any country.
Word Origin
The term is a compound of '红' (red), '绿' (green), and '灯' (light). It originated as a direct description of the two primary colors used in early traffic signaling systems.
Cultural Context
In China, traffic lights are strictly enforced with surveillance cameras. '闯红灯' (running a red light) is a major social taboo and a punishable offense that can result in heavy fines and license point deductions.
Memory Tip
Think of it as the 'Red-Green-Lamp'. Just remember: Red means stop, Green means go, and the name covers the whole system.
Frequently Asked Questions
4 questions红色代表停止，绿色代表通行，黄色代表警示，提醒车辆在红灯亮起前减速或停下。
指车辆或行人无视红灯信号，强行通行。这是一种严重的交通违法行为，非常危险。
虽然叫红绿灯，但实际上还包含黄色灯。黄色灯起过渡作用，用于提醒驾驶员信号即将切换。
如果红绿灯故障，应减速慢行，观察周围交通情况，必要时听从现场交通警察的指挥。
Test Yourself
过马路的时候，一定要记得看___。
红绿灯是标准的交通指挥用语。
当红绿灯变成红色时，你应该：
红色信号灯代表禁止通行。
【等 / 我们 / 红绿灯 / 在】
主语+动词+宾语的结构。
Score: /3
Summary
The red-green light is the universal visual language for safe road navigation.
- A traffic signal controlling vehicle and pedestrian movement.
- Essential for road safety and traffic order.
- Used in everyday conversations about commuting.
Use '等' for waiting
When you are waiting for the light to change, use the verb '等' (děng). For example, '我在等红绿灯' means I am waiting at the traffic light.
Safety first at crossings
Never cross the street while looking at your phone, even if the light is green. Always stay alert to turning vehicles.
The standard of traffic lights
Traffic lights follow international standards globally. Understanding these colors is essential for traveling in any country.
Examples
4 of 4过马路时请注意红绿灯。
Please pay attention to the traffic light when crossing the road.
该路口安装了智能红绿灯系统。
An intelligent traffic light system has been installed at this intersection.
快点，前面红绿灯变绿了！
Hurry up, the traffic light ahead turned green!
红绿灯的设置优化了城市交通流。
The placement of traffic lights has optimized urban traffic flow.
