without batting an eye

Idioms  

1. Showing no emotion, acting as though nothing were unusual. For example, Richard ate the snails without batting an eye. A related phrase is not bat an eye, as in He didn't bat an eye when she told him he was being laid off. These expressions, which use bat in the sense of “blink,” date from about 1900.

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Example Sentences

“They could pay for the entire trip for the whole team without batting an eye!”

From Los Angeles Times

“He’s the first guy at the gym. He and Freddy, every morning. They learned a lot from the day of work. Not just the shooting, the entire day of work of shooting, eating, take care, lifting, stretching, hot tub, cold, tub, all that stuff. And Kawhi did all that stuff without batting an eye.”

From Los Angeles Times

I’ve heard of “B Movies,” but this series drops to an “F” without batting an eye.

From Los Angeles Times

What could I do that I could do without batting an eye?

From Slate

And Joan, without batting an eye said, “OK, great.”

From Los Angeles Times