alone造句

Don't leave a child alone in a room with an open fire.
房间里有裸露的明火时,不要让孩子独处其中。

He knew when to leave well alone and when to interfere.
他知道什么时候该适可而止,什么时候该插手干预。

He had always been an outcast, unwanted and alone.
他一直都被视为异类,无人理睬,形单影只。