prick up your ears
警觉地听，留心地倾听
口语·提醒对方仔细听
英文释义
to suddenly become very attentive or interested in something
例句
Prick up your ears—this is important news about the project.
典故来源
直接指令式表达，源自动物竖起耳朵警觉的观察，用于提醒他人注意。