on ones own account 为了某人自己的利益

at ones own risk 自行负责

on　account of 由于

On no account绝不要

arise from 由....引起

Are these any matters arising from the last meeting？

这些事情都是由上次的会议引起的吗？

assess 评估，评价

Examinations are not the only means of assessing ones ability.

考试不是评价一个人能力的唯一方法.

authentic 真实的，可信的

gradual 逐渐的

There has been a gradual improvment in ...over the last two years.

过去的两年中...逐渐改善.

....multiply rapidly ...迅速增加.

ripe 时候成熟的

The country is ripe for change.

国家已是时候改变.

trend 趋势，趋向，潮流

The trend at the moment is that ....

现在..是一个趋势.....

emphrasize 强调，重视

I’d like to emphrasize how important it is to ....

sustainable development 可持续发展