1、reverse

逆转，彻底改变（决定、政策、趋势等）

They have made it clear they will not reverse the decision to increase prices.

他们已经明确表示不会更改提价的决定。

The rise, the first in 10 months, reversed the downward trend in Belgium's jobless rate.

10个月来失业率的首次上升逆转了比利时失业率持续下降的趋势。

颠倒，反转（事物的顺序）

In the squares place a penny, nickel, dime and quarter in that order. The object is to reverse the order of these coins.

在这些方块中按顺序放置1分、5分、10分和25分的硬币各一枚。目标是颠倒这些硬币的顺序。

The normal word order is reversed in passive sentences.

正常词序在被动句中是颠倒的。

倒（车）

Another car reversed out of the drive.

另一辆车倒出了车道。

He reversed and drove away.

他把车倒出来，开走了。

2、presumption

假定；假设

the presumption that a defendant is innocent until proved guilty.

被告在被证实有罪之前都被视为无罪的假定

I'm having to make a lot of presumptions since I don't really know anything about the case.

事实上我对这个案件一无所知，很多观点都只能是假设。

擅自；放肆；冒昧

They were angered by his presumption.

他们对他的放肆感到非常愤怒。