prick up one's ears
动词 v.
英文释义
动词 v.
-
To listen attentively.
— 'I doubt if you will ever have met "Rainproof" Nogg,' wrote one about this time—a shrewd old lady whose Dutch-sounding name caused pushful young hostesses to prick up their ears even when it reached them at third hand.
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数据来源: Wiktionary