英汉词典

1. 明显的；显然的；无疑的
    If something is obvious, it is easy to see or understand.

    e.g. ...the need to rectify what is an obvious injustice...
           矫正明显不公的需要
    e.g. 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。

2. 不必要的;无新意的；缺乏想象力的
    If you describe something that someone says as obvious, you are being critical of it because you think it is unnecessary or shows lack of imagination.

    e.g. 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。