stay at是指呆在某個特定的地方；stay in是指呆在隨意某個地方。stay at+小地點。如：stay at the hall。stay in+大地點。如：stay inBeijing，stay in China。

停留在…；

例句：

1）I had to postpone ideas of a career and stay at home.

我不得不暫緩就業(yè)打算，呆在家里。

2）An overnight stay at a friend's house disorients me.

在朋友家過夜讓我覺得暈暈乎乎的。

3）The Bishop directed the faithful to stay at home.

主教要求信徒們呆在家中。

留在家中，不外出； 保持住；

例句：

1）Stay in bed extra late or get up specially early.

起床過晚或過早。

2）He had no conscious memory of his four-week stay in hospital.

他對自己住院的4個星期沒有任何故意識的記憶。

3）A one-night stay in a modest hotel costs around ￡35.

在一般 的旅店里過一夜要花費約35英鎊。

v.停留; 保持; 待; 逗留; 繼續(xù)是; 暫住;

n.停留; 逗留(時間); 作客; (船桅的)支索; (桿子等的)牽索，撐條;

[例句]It's a pity that you can't stay longer.

你不能再多停留些時間，真是遺憾。

第三人稱單數(shù)：stays 復數(shù)：stays 現(xiàn)在分詞：staying 過去式：stayed 過去分詞：stayed

來源：高三網(wǎng)