old fuddy-duddy老古板
be ultraconservative fuddy-duddy极守旧
fogey fogy frump fuddy-duddy守旧者
N-COUNT（可数名词） If you describe someone as a fuddy-duddy, you are criticizing or making fun of them because they are old-fashioned in their appearance or attitudes. 老古董 [老式]
He didn't want all those old fuddy-duddies around.
他不想身边有那些老古董们。