擅作主张怎么翻译成英文

　　“擅作主张”常见的英文翻译有：\act on one's own authority\ 、\take the liberty of doing something\ 、\decide on one's own\ 。

以下是对这些翻译的解释：

　　“act on one's own authority” 直译为“按照自己的权威行动”，意即未经他人许可自行决定。

　　例如：He acted on his own authority and made a big mistake.（他擅作主张，犯了个大错。）

　　“take the liberty of doing something” 意思是“冒昧地做某事”，常用来表示未经允许而自行做某事。

　　比如：I took the liberty of making a decision for the team. （我擅作主张为团队做了个决定。）

　　“decide on one's own” 表示“自己决定”。

　　如：You can't decide on your own in this matter. （在这件事上你不能擅作主张。）