runaway

1. ADJ You use runaway to describe a situation in which something increases or develops very quickly and cannot be controlled. 迅猛发展而难以控制的[ADJ n]

Our June sale was a runaway success. 我们6月份的促销大获成功。

2. N-COUNT A runaway is someone, especially a child, who leaves home without telling anyone or without permission. 离家出走者

...a teenage runaway. …一名十来岁的离家出走者。

3. ADJ A runaway vehicle or animal is moving forward quickly, and its driver or rider has lost control of it. (车辆或动物) 失控的[ADJ n]

The runaway car careered into a bench, hitting an elderly couple. 那辆失控的轿车疾速撞上了一条长凳，撞了一对老夫妇。