1、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。
2、complain
抱怨;发牢骚
Miners have complained bitterly that the government did not fulfill their promises.
矿工们愤愤不平地抱怨说政府没有履行诺言。
The American couple complained about the high cost of visiting Europe.
这对美国夫妇抱怨到欧洲旅行的花销太高。
诉说有…病痛;主诉
He complained of a headache.
他说头痛。