answer back	reply rudely to someone who has more authority than you
ask out	invite someone to go with you to a cinema, restaurant, etc because you want to start a relationship
break up	if two people ..., they end their relationship
break sth up	break sth to make smaller pieces
break up	if a meeting ot other event ..., it ends and people leave
bring out	make someone or sth show a quality that they have
bring sth out	produce sth and start to sell it
bring together	create a situation in which people meet and do sth together, esp when they would not usually do so
bump into	meet someome unexpectedly; accidentally hit against something
cancel out	stop something from having any effect
come between	cause a disagreement or argument between people