prick up ones ears

• adj. 竖起耳朵听(倾听)

prick up ones ears的用法和样例：

例句

用作形容词 (adj.)

1. The dog stood listening, its ears cocked.
   那狗站着，竖起耳朵听动静。
2. But the sound couldn't reach our ears.
   但这声音我们耳朵听不见。