coat-tails

BrE

/ˈkəʊt teɪlz/

NAmE

/ˈkoʊt teɪlz/

noun

[plural]

●on sb's coat-tails

using the success and influence of another person to help yourself become successful 利用他人的成就和声望（帮助自己成功）

◆She got where she is today on her brother's coat-tails. 她倚仗她哥哥的声望爬上了今天的位置。