The phrase "perk one's ears" is an idiom that originates from the behavior of horses. When a horse is alert or attentive, it tends to perk or prick its ears, raising them upright to better listen to sounds or detect movements. In the context of the idiom, it is used to describe the act of becoming attentive and alert to sounds or information.

What is the origin of the idiom "perk one's ears" and when to use it?

Định nghĩa và ý nghĩa của "perk (up) one's ears"trong tiếng Anh

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