Akademik

разводить муру
РАЗВОДИТЬ МУРУ slang
[VP; subj: human; often infin with хватит, перестань etc and in questions]
=====
to talk about, pay too much attention to, or devote too much time to insignificant matters:
- X муру разводит{{}} X is wasting his time on that nonsense (garbage).

Большой русско-английский фразеологический словарь. — М.: ACT-ПРЕСС КНИГА. . 2004.