withdraw

verb [vt. 及物动词]提，取（银行账户中的钱款）；停止提供，不再给予； 退出，不参加；（军队）撤离； 脱离（社会），不与人交往；离开；（将某物从某地或位置）抽回，移开；撤回，收回（前言）；（从某物中）拿出；停止提供，召回；退出，返回（至另一个房间）；（因对工作时间、报酬等不满意而）罢工；取消（许可、邀请或提议）；戒毒

When groups of people such as troops withdraw or when someone withdraws them, they leave the place where they are fighting or where they are based and return nearer home. ^{使撤退; 撤退}