例句：The front door has been locked from the inside.

翻譯：前門已經從裡面反鎖了。

例句：All you have to do is sit inside and study hard.

翻譯：你們必須做的事是坐在裡面用功讀書。

例句：The teacher asked us not to play with ball inside the classroom.

翻譯：老師要求我們不要在教室裡玩球。