短语
中文翻译：Unknown
同义词：
['go up to the hills', 'head up into the hills', 'head towards the hills']
例句：
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1. He decided to head for the hills after a long day's work.
他决定在工作了一整天后，去山上休息。
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2. The hikers were heading for the hills when they got lost in the forest.
登山者在森林中迷路时，正朝山上走。
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3. The old couple headed for the hills with their grandson to enjoy some peace and quiet.
老夫妇带着孙子去山上享受一些宁静的时光。