1.start to 开始

Where's this argument start to break down?
这种争论将在何处开始平息？

Before long, incumbents in both parties will start to panic about next year's election.
不久之后，两党的现任高层就将开始为明年的大选坐立不安。

2.crack down 采取严厉措施，制裁；打击

But is china starting to crack down on piracy?
但中国是不是已经开始打击盗版了呢？

Pemex is using the american courts to crack down.
墨西哥石油公司正利用美国法庭来打击犯罪。

3.pose to 构成

And who can know what threat the forces that emerge in damascus may pose to regional stability?
再说，谁能知道在大马士革脱颖而出的力量，将对地区稳定构成什么样的威胁？

Overall growth in asia will balance any threat china may pose to u.s. prominence.
亚洲的全面崛起将会平衡中国崛起来带的任何可能的威胁，尤其是对美国。

4.blame for 因…怪罪，责怪

Emerging economies were partly to blame for america's housing and credit bubble.
新兴国家经济的问题部分要归咎于美国住房和信用的泡沫。

The blame for this impasse falls mostly on republicans.
共和党人应承担造成此僵局的主要责任。