to be very familiar with something; to have a thorough understanding of something
очень хорошо разбираться в чем-либо; иметь глубокое понимание чего-либо (ochen khorosho razbiratsya v chem-libo; imet glubokoe ponimanie chego-libo)
"He really knows the ropes in this field of work."
"Он действительно знает все тонкости в этой сфере работы" (on deystvitelno znaet vse tonkosti v etoy sfere raboty)
the basic practical details of something
To pay the bill for something.
a sudden feeling of creativity or motivation
a polite expression used when meeting someone for the first...
to achieve something amazing and rare through creativity or...
to be extremely jealous or angry with someone
