ни мур-мур

• НИ МУР-МУР highly coll

[Invar; predic]

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1. [subj: human or animal]

⇒ to be silent, not emit a sound:

- X - ни мур-мур{{}}≈ there hasn't been a peep <a squeak> out of X;

- X hasn't made a sound.

     ♦ Что-то у детей подозрительно тихо. Закрылись у себя в комнате час назад - и ни мур-мур. The kids are suspiciously quiet. They locked themselves in their room an hour ago, and there hasn't been a peep out of them since.

2. ни мур-мур в чем [subj:

- human] to understand, know absolutely nothing (about sth.): X в Y-e ни мур-мур{{}}≈ X doesn't know a damn(ed) thing about Y;

- X doesn't know beans (the first thing) about Y;

- X doesn't have the faintest (foggiest) idea about Y.

     ♦ Перегорели пробки, а сам я их починить не могу, я в этом деле ни мур-мур. The fuses blew, but I can't fix them. I don't know beans about that sort of thing.