English Dictionary

stick in the mud

/ˈstɪk.ɪn.ðəˌmʌd/

noun

(idiomatic, derogatory) A person unwilling to participate in activities; a curmudgeon or party pooper.

He is such a stick in the mud.

意味（1）

(idiomatic, derogatory) A person unwilling to participate in activities; a curmudgeon or party pooper.

Have a little fun sometimes and don't be such a stick-in-the-mud.

意味（2）

(idiomatic, derogatory) More generally, one who is slow, old-fashioned, or unprogressive; an old fogey.