Her face hardened into an expression of hatred.

她的脸沉下来，面带恨意。

《牛津词典》

He screwed his face into an expression of mock pain.

他把他的脸扭曲成假痛苦状。

《柯林斯英汉双解大词典》

Levin sat there, an expression of sadness on his face.

莱文坐在那里，神情忧伤。

《柯林斯英汉双解大词典》

It is an expression used about four hundred years ago by British writer William Shakespeare in his play "Othello."

VOA: special.2010.05.23

They misattribute that, what might be anger, what might even be aggression and violence, to an expression of love.

他们错误地把，可能的愤怒，侵犯或暴力，解释为爱。

耶鲁公开课 - 心理学导论课程节选

I just want to remind you, if I wanted to, for example, type in an expression like that, notice the syntactical form, it's an expression, a number, followed by an operand, followed by another expression.

我想要提醒下大家，如果你想要，例如，输入一个这样的表达式，注意语法形式，这是个表达式，一个数字，后面是一个运算对象，后面是另外一个表达式。

麻省理工公开课 - 计算机科学及编程导论课程节选

Wine production is a link to the past and an expression of national identity.

BBC: Discovering wine in Georgia

That movie is an expression of philosophical despair: the truth can never be known.

NEWYORKER: Double Dare

And, in spite of all that bulge of flesh, an expression of some satisfaction and cunning.

NEWYORKER: Free Radicals