“单方面”的意思是只有一方做决定或行动，没有得到另一方的同意。

The meaning of "单方面" is that only one party makes decisions or takes actions without the consent of the other party.

这个词常用来说一个人自己做的决定，别人不同意。

This word is often used to describe a decision made by one person alone, without agreement from others.