coat-tail
/ˈkəʊtteɪl/noun
(一般作coat-tails)
- each of the flaps formed by the back of a tailcoat（燕尾服的）燕尾, 后下摆。
短语
on someone's coat-tails
- undeservedly benefiting from another's success沾某人成功的光; 仰仗…提携：
he was elected on the coat-tails of his predecessor.
他仰仗他前任的提携而当选。