borrowed plumes

• n. 向别人借来装门面的漂亮衣服(靠别人得来的声望)

borrowed plumes的用法和样例：

例句

1. He wore his brother's evening dress to the function but looked very uncomfortable in his borrowed plumes instead of hi usual jeans and tee shirt.
   他穿着他兄弟的夜礼服去参加盛大的集会，但是穿着向别人借来的装门面的漂亮衣服看上去很不舒服，还不如他平时穿的牛仔裤和梯恤衫好。
2. In the speech which he made at the fair, he appeared in borrowed plumes.
   他在博览会上的演说暴露了他(不学无术)的真面目。