豎起耳朵

shuˋ qiˇ erˇ duoˇ

(Listen, Listened, Open your, Opened, Prick, Pricked, Tune, Tuned, Tunes) Tune in | Tunes in | Tuned in | Listen | Listened | Open your ears | Opened their ears | Prick up one's ears | Pricked up their ears