off the rails

英文造句：

1. I would never have guessed that Mary of all people would go off the rails, and her she is seeing another man behind Jim's back.
   我過去絕不會猜到，偏偏是瑪麗會行為越軌，竟然背著吉姆與另一個男人幽會。
2. My son did go off the rails for a while in his late teens but he has settled with a family.
   我兒子年輕時確實有些越軌行為，但現在安下心來，並已結婚成家。
3. He thought he was going off the rails when he saw a strange animal sitting in the middle of the road.
   當他看到路中間坐著一隻怪獸時，他還以為自己的腦袋出毛病了。
4. Our schedule went completely off the rails during the strike.
   我們的預定計畫在罷工期間完全被打亂了。