PHRASAL VERB-ERG 竖起耳朵听;耳朵支起 If someone pricks up their ears or if their ears prick up, they listen eagerly when they suddenly hear an interesting sound or an important piece of information. 竖起耳朵听;耳朵支起
She stopped talking to prick up her ears. [VERBPREP. noun]
她不再说话,竖起耳朵听着。
...ears which prick up at the mention of royalty. [VERBPREP.]