动词短语
中文翻译：去睡觉
同义词：
['go to bed', 'go to sleep']
例句：
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1.I'm exhausted after a long day at work. I need to get off to sleep early.
我在工作了一整天后感到非常疲惫。我需要早点去睡觉。
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2.She went to bed early as she was tired from the night out.
她因为晚上出去而感到疲倦，所以很早就上床睡觉了。
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3.The children were getting off to sleep when their parents came in.
当孩子们的父母进来时，他们正在准备去睡觉。