raise an eyebrow

Verb

to show scepticism, surprise or as a result of being mildly scandalised.

Japanese Meaning

（疑念・驚き・軽い衝撃などを示すために）眉を上げる動作をする / 半信半疑や、予期せぬ状況に対する驚きを表す

When she suggested selling the old car for parts, I couldn't help but raise an eyebrow.

彼女が古い車を部品として売ると提案したとき、私は思わず片方の眉を上げた。

Sense（1）

to show scepticism, surprise or as a result of being mildly scandalised.

raises an eyebrow

（ present singular third-person ）

raising an eyebrow

（ participle present ）

raised an eyebrow

（ participle past ）

raised an eyebrow

（ past ）