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muck about verb

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