1、obvious

明显的；显然的；无疑的

the need to rectify what is an obvious injustice.

矫正明显不公的需要

Determining how the Democratic challenger would conduct his presidency isn't quite so obvious.

这位民主党挑战者将如何履行总统职务还不能明确判断。

不必要的;无新意的；缺乏想象力的

There are some very obvious phrases that we all know or certainly should know better than to use.

我们都知道或是肯定应该知道有些说法已毫无新意，最好避免使用。

2、take back

退回;退还;归还

If I buy something and he doesn't like it I'll take it back.

要是我买的东西他不喜欢的话，我就会去退货。

I went to the library and took your books back.

我去了图书馆，帮你把书还了。

收回，撤回(所说的话或想法)

I take it back, I think perhaps I am an extrovert.

我收回说过的话，我想也许我是外向型的人。

Take back what you said about Jeremy!

收回你说的关于杰里米的话。

让…回家;准许…回来

Why did she take him back?

她怎么又让他回家了？

The government has agreed to take back those people who are considered economic rather than political refugees.

政府同意让那些被认为是经济难民的人回国，但政治难民不包括在内。