动词短语中文翻译
中文翻译：保持直行
同义词：
['maintain a straight course', 'stay on the straight and narrow']
例句：
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1. Thedriver kept his car on the straight and narrow to avoid accidents.
司机开车时保持直线行驶，以避免事故。
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2. She kept her promise to never break the straight and narrow path she had taken.
她承诺永远不违背她所走的道路。
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3. He kept his word by keeping his promises, even when it was difficult.
他遵守诺言，即使困难重重。