重点讲解：
1. pit against 使相斗；使对立；使竞争；
You will be pitted against people who are every bit as good as you are.
你将和与你势均力敌的对手展开竞争%B0#,UwE;R。
2. back down 放弃（主张、要求、承诺等）；打退堂鼓；
The United States had no intention of backing down in its bitter row over farm subsidies.
美国无意就激烈争吵的农产品补贴问题作出让步LN!Yr+.*_.1BgD。
3. in exchange for 作为交换；
The trade unions bargained away their rights in exchange for a small pay rise.
工会不惜牺牲自己的权利以换取微薄的加薪8XjmuiC[5zW。
4. comply with 服从；遵守；
The commander said that the army would comply with the ceasefire.
指挥官说军队会遵守停火协议,MmwaegJ^ILaFXd!*h。