1.relegate to 使归属于，委托给，移交给

Dispatch: to relegate to a specific destination or send on specific business.
派遣;发送送到特定的目的地或分派特定任务。

When the victim can not give proof and it can not involve the innocent people, the tort law's preventing and punishing function should relegate to secondary status, but the compensation to the victims becomes the primary thing.
在受害人不能举证而又不能归责于无辜的情况下，侵权行为法的预防和惩罚功能已退居次要地位，而对受害人损失的补偿则成为首要解决的问题。

2.fail to 未能

Things change and when you fail to grasp that truth you suffer.
世事变迁，而且你也未能领会承受折磨的真相。

Every year flying cars fail to take to the skies is a disappointment.
每一年，天空中都未能出现飞翔的汽车，这真是令人失望。

3.lack of 缺乏

Another problem was the lack of competition.
另一个问题是缺乏竞争。

Her lack of experience is a severe disability.
她缺少经验是一个严重的障碍。

4.agree to 同意，赞成

He could agree to cut nuclear arms with russia.
他可能同意和俄罗斯一起削减核武器。

She convinced a reluctant union to agree to a pay-for-performance system.
她说服了一个不情愿的工会接受绩效工资系统。