n.

1. 逃跑，逃亡；私奔[U]
   The lovers' runaway caused their parents much pain.

   這對情侶的私奔給他們的父母帶來了很多痛苦。

2. （馬的）脫韁奔逃
3. 逃跑者，逃亡者；脫韁奔逃的牲口[C]
   They failed to find any trace of the runaways.

   他們未能找到逃跑者的任何蹤跡。

4. 遙遙領先的賽跑；巨大的勝利

a.[B]

1. 逃跑的，逃亡的；私奔的
   The parents were worried about their runaway child.

   那對父母為他們出走的孩子非常擔憂。

2. （馬等）脫韁奔逃的；控制不住的；發展迅猛的；（物價）飛漲的
   The runaway inflation hit every family.

   無法控制的通貨膨脹殃及每個家庭。

   At last he stopped the runaway horse.

   他終於停住了這匹脫韁之馬。

3. 遙遙領先的；輕易取得的；巨大的
   His second book turned out to be a runaway best-seller.

   他的第二本書成了搶手的暢銷書。

n.

1. a person who has run away from their home or an institution.
2. [as modifier] (of an animal or vehicle) running out of control.
   ▸happening or done quickly or uncontrollably:

   runaway success.