1、prevent
防止;预防;阻止
These methods prevent pregnancy.
这些方法能防止怀孕。
Further treatment will prevent cancer from developing.
进一步的治疗将阻止癌症恶化。
阻止;制止;阻碍
He said this would prevent companies from creating new jobs.
他说这将使公司无法创造新的工作机会。
Its nationals may be prevented from leaving the country.
其国民可能会被禁止出境。
2、confuse
混淆;搞错
Great care is taken to avoid confusing the two types of projects.
大家非常谨慎,以免把这两类项目弄混。
I can't see how anyone could confuse you with another!
我不明白怎么会有人把你和另外一个人搞混!
把…弄糊涂;使困惑
German politics surprised and confused him.
德国政治既令他惊讶,又让他困惑不解。
搅乱;使复杂化
To further confuse the issue, there is an enormous variation in the amount of sleep people feel happy with.
使问题进一步复杂化的是,每个人需要的睡眠时间千差万别。