动词短语
中文翻译：停止
同义词：
['stop', 'halt', 'prevent', 'hold back例句：1. The policeman flagged down the car to ask for identification.（警察停下车来要求出示身份证明。）']
例句：
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1. The policeman flagged down the car to ask for identification.
警察停下车来要求出示身份证明。
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2.He tried to flag stop traffic by waving his arms wildly.
他试图通过挥舞双臂来阻止交通。
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3.The driver flagged stop at the red light and waited patiently for the other cars to pass.
司机在红灯时停下来，耐心地等待其他车辆通过。