| 单词 | red light |
| 释义 | red light 1. a red lamp, used as a traffic signal to mean "stop." 2. an order or directive to halt an action, project, etc.: There's a red light on all unnecessary expenses. 3. a children's running game in which players must stop when "Red light!" is called. 4. a signal of danger; warning. [1840-50] |
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