not bat an eyelid
成語所屬單字eye
not bat an eyelid — 慣用語
1. To show no surprise or concern when something unusual happens.
1.慣用語
釋義
面不改色
To show no surprise or concern when something unusual happens.
例句
She didn't bat an eyelid when she heard the news.
He didn't bat an eyelid at the huge bill.