muck about in Russian
muck about in Russian
бить баклуши
(informal, intransitive) To do random unplanned work or spend time idly
рукосуйствовать
(informal, intransitive) To attempt to do something with a piece of equipment without understanding how it works.
озорничать
(informal, intransitive, British, Australia) To be playful; full of fun and high spirits; to treat a situation unseriously.
шалить
(informal, intransitive, British, Australia) To be playful; full of fun and high spirits; to treat a situation unseriously.