stay in和stay at的区别
stay at是指呆在某个特定的地方；stay in是指呆在随意某个地方。stay at+小地点。如：stay at the hall。stay in+大地点。如：stay inBeijing，stay in China。
stay at
停留在…；
例句：
1）I had to postpone ideas of a career and stay at home.
我不得不暂缓就业打算，呆在家里。
2）An overnight stay at a friend's house disorients me.
在朋友家过夜让我觉得晕晕乎乎的。
3）The Bishop directed the faithful to stay at home.
主教要求信徒们呆在家中。
stay in
留在家中，不外出； 保持住；
例句：
1）Stay in bed extra late or get up specially early.
起床过晚或过早。
2）He had no conscious memory of his four-week stay in hospital.
他对自己住院的4个星期没有任何有意识的记忆。
3）A one-night stay in a modest hotel costs around £35.
在普通的旅店里过一夜要花费约35英镑。
stay基本含义
v.停留; 保持; 待; 逗留; 继续是; 暂住;
n.停留; 逗留(时间); 作客; (船桅的)支索; (杆子等的)牵索，撑条;
[例句]It's a pity that you can't stay longer.
你不能再多停留些时间，真是遗憾。
第三人称单数：stays 复数：stays 现在分词：staying 过去式：stayed 过去分词：stayed
