His role has always been ambiguous.

他的角色一直不明确。

《牛津词典》

Sometimes he had overacted in his role as Prince.

有时，他把王子的角色过度演绎了。

《柯林斯英汉双解大词典》

He was extremely protective of his role as advisor.

他极力保护自己的顾问角色。

《牛津词典》

Jeff Bridges is nominated for best actor for his role as an aging, alcoholic country music singer in "Crazy Heart."

VOA: special.2010.03.01

And in his role here as a mute, as an infant, Christ is serving, I think, an important function for Milton.

作为一个哑巴，一个婴儿，基督对，弥尔顿起了很重要的作用。

耶鲁公开课 - 弥尔顿课程节选

Julius Caesar capitalized on his role as a general of a large army that was at the time winning battles in Gaul, modern France.

恺撒利用他的将领身份，他的军队,当时在高卢，现代法国，赢得了战争。

耶鲁公开课 - 新约课程节选

Though his position is precarious, she doesn't believe his role is necessarily entering its final days.

NPR: Musharraf Sparks Political Crisis

"Japan offers good technology and can learn from the U.S., " he says of his role.

FORBES: Magazine Article

Perhaps the only accusation Rove didn't--and couldn't--deny regarded his role as a public punching bag.

FORBES: Karl Rove Speaks Up