重点讲解：
1. withdraw from 退出(活动或组织)；
The African National Congress threatened to withdraw from the talks.
非洲国民大会威胁要退出会谈TDIYPEeK_007。
2. go dry 干涸；
Even if the seas go dry and rocks crumble, my will will remain firm.
纵然海枯石烂，意志永不动摇ccdydU-I|ChgobUZ!]zl。
3. force sb. to do sth. 强迫；强制；
A back injury forced her to withdraw from Wimbledon.
背部受伤使她不得不退出温布尔登赛事d]-rC*BL+wX7Jc。
4. rely on 依赖；依靠；
Once customers come to rely on these systems they almost never take their business elsewhere.
顾客一旦依赖上这些系统，几乎就不会光顾其他商家j8@fK.v(b7N_。