English translation of '顶替'

动

1. (= 替代) take the place of (pt took) (pp taken)
   ⇒ 他走了,谁来顶替他的岗位？ (Tā zǒu le, shuí lái dǐngtì tā de gǎngwèi?) After he's gone, who will take his place?
2. (= 冒名) pose as