红绿灯

紅綠燈
hónglǜdēng
  1. traffic light
  2. traffic signal

CEDICT

traffic light (Classifier: 盞／盏 m c; 支 m c)

Wiktionary

设于十字路口的交通指挥灯。红灯停，绿灯行，以便于管理交通，维护安全。

重編國語辭典

按规定时间交互更换的光色号志，通常设置于交岔路口或其他需要交通管制的地点，一般以红、黄、绿三色灯号或辅以声音讯号，指示车辆及行人停止、注意与行进。

維基詞典

Examples

红绿灯变成绿色了。

The traffic light turned green.

Source: Tatoeba

红绿灯一直在运作。

Traffic lights work all the time.

Source: Tatoeba

红绿灯现在是绿色的。

The traffic lights are green.

The light is green now.

Source: Tatoeba

在第一个红绿灯左转。

Turn left at the first light.

Source: Tatoeba

到了红绿灯以后，往右拐。

After you get to the traffic lights, turn right.

Source: Tatoeba

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Entry Composition

1 红 hóng
  1. red
  2. popular
  3. revolutionary
  4. bonus
2 绿灯 lǜdēng
  1. green light (traffic signal)
  2. (fig.) permission to proceed

Related entries

交通灯 jiāotōngdēng traffic light
交通燈是用來控制交通的。

Traffic lights are used to regulate traffic.

Source: Tatoeba