1. 借宿：sleep out 在外过夜 | sleep over 借宿 | sleep rough 在公园过夜

2. 在别人家过夜：75. screw sth up搞砸 | 76. sleep over在别人家过夜 | 77. sb seems mad at sb about sth看起来在生某人的气

3. 寄宿别人家 对...不重视 继续睡：sleep out (佣工)不在雇主家里睡(睡在自己家里) 在外面过夜 睡了(整整一段时间) 露宿 | sleep over 寄宿别人家 对...不重视 继续睡 | sleep rough 在户外随便找个地方睡觉; 露宿

4. 借宿别人处 忽视 不注意：tragedy 悲剧 灾难 | sleep over 借宿别人处 忽视 不注意 | consent 同意 赞成

1. (尤指小孩)不在家过夜,在外过夜
If someone, especially a child, sleeps over in a place such as a friend's home, they stay there for one night.

e.g. She said his friends could sleep over in the big room downstairs.
她说他的朋友们可以在楼下的大房间里住一晚。

verb

1. stay overnight

e.g. The boy's friends were allowed to sleep over after the birthday party

Synonym: stay over