1.long before 早已……了许久

He began to go down to the shore, but long before he reached it, the sun had set.

他开始下去海边，但到他走到海边时，太阳已经下山许久了(teBQPn~@dfmdE~7^B。

2.a leading cause of 首要原因之一

Reckless driving is a leading cause of accidents on the highways of the United States.

危险驾驶是美国高速公路事故的首要原因之一@%o9bU@cCI4gxxv(42b。

3.at the very least 至少的至少；最起码

At the very least, such decisions should be subject to review by an independent judge, not made by a member of that government.

最起码，这样的决定应该交由一名独立法官裁决，而不是由一名内阁成员做出%o.7CE&Ipoz80Xgkx.。

4.it is tempting to 不禁要

It is tempting to ask whether India has tired of corruption just as it was beginning to show some results.

我们不禁要问，印度的腐败问题才刚刚开始显山露水，印度人民就已经受够了吗？