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.threaten to 威胁
Now two other measures threaten to reignite tensions.
如今另两个措施威胁再度燃起紧张局势。
Recent profit reports threaten to exacerbate the issue.
最近公布的盈利报告可能加剧这一问题。
3.sign up 跟…签订合同；报名
How to simplify the landing page and sign up flow.
如何简化登录页和注册流程？
Anyone can sign up; all that is asked is excellent attendance.
任何人都可报名参加，唯一的要求就是上课表现要出色。
4.seek to 设法；企图，试图
Seek to attract serious, long-term investors who have done their homework and understand your business.
努力吸引那些真正的长期投资者，这些投资者已经做过功课，了解你的业务。
Yet some expect him to seek to remove term limits.
可是，部分人士期望他设法废除任期限制。
