1.amount to 共计；意味着

But his critics grumble that his policies amount to putting haiti up for sale.
但他的批评者则抱怨说他的政策相当于将海地拿去卖掉。

But placebos amount to lying to the patient. Surely our troops deserve better.
但是安慰剂就相当于对患者撒谎，我们的军队值得拥有更好的治疗。

2.as well as 既…又…；除…之外

As well as the lack of reaction today on the news. "
以及为何消息公布后市场反应不大。”

Yet they provoke fear as well as wonder.
然而他们也激起了恐惧以及困惑。

3.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。

Now e-books threaten to undermine sales of the old-fashioned kind.
如今，传统图书的销售受到电子书的威胁。

4.concentrate on 全神贯注,专心于

Filter out the noise and nonsense. Only concentrate on what you deeply desire.
过滤掉噪音和胡言乱语，只全神贯注于你内心深处的向往。

Most concentrate on wine bottled in the past 50 years.
多数基金集中投资过去50年中装瓶的品种。