Definition
to abruptly retreat or flee, often due to fear or a perceived threat.
（通常因恐懼）轉身逃跑。
They turned tail and ran the moment the enemy forces approached.
他們一看到敵軍接近，就轉身逃跑了。
The little dog turned tail and ran as soon as it saw a big dog.
這隻小狗一看到大狗，就轉身逃跑了。
Upon hearing that the police were coming, the group of youngsters immediately turned tail and ran.
一聽到警察要來，那群年輕人立刻轉身逃跑了。