to get into an argument or fight
вступить в спор или драку (vstupit v spor ili draku)
"They locked horns over the new proposal."
"Они вступили в спор по поводу нового предложения." (oni vstupili v spor po povodu novogo predlozheniya)
to join an activity or discussion quickly
used when someone has responsibility for something
to stop dealing with or thinking about something
directly from the original or reliable source
to achieve great success or gain a lot of money
to support or defend something you believe in
