raise one's eyebrows
raise an eyebrow

He looked at me with interest, and raised his black eyebrows.

The two men, who were used to her, turned and raised their eyebrows at one another.

She raised her eyebrows as though to say, You know what children are.

The old man raised his eyebrows and turned toward the girl.

He looked at me and raised his eyebrows but I said nothing.

He raised black eyebrows, straight and level above deep set eyes.

I raised my eyebrows at Sam to ask him what he'd wanted.

He raised his eyebrows in question, but I knew him too well for that.

When I said nothing to that, he raised his eyebrows.

I raised my eyebrows at that and tried to think.