coattail

詳細解釋：

coat.tail

n.（名詞）
The loose back part of a coat that hangs below the waist.
男上衣後擺：上衣沒有被固定的後部，懸垂到腰下
coattails The skirts of a formal or dress coat.
coattails 夜禮服，禮服女裙

<習慣用語>on (someone`s) coattails
With the assistance of another:
得到他人的幫助：
例句：
won the mayor`s post on the senator`s coattails.
得到參議員的幫助贏得市長的職務

on the coattails of
As a result of the success of another:
因他人成功的結果：
例句：
elected to office on the coattails of a popular governor.
由於一位受人愛戴的官員的幫助而被推選到政府機關

Immediately following or as a direct result of:
緊隨其後或作為直接結果的：
例句：
resigned on the coattails of the scandal.
因醜聞而辭職