stuffed shirt
noun/ˌstʌft ˈʃɜːt/
/ˌstʌft ˈʃɜːrt/
(informal, disapproving)- a person who is very serious, formal or old-fashioned
一本正经的人；古板的人；保守的人 - The club members are not just a bunch of stuffed shirts.
俱乐部成员不仅仅是一群毛绒衬衫。
- The club members are not just a bunch of stuffed shirts.