to clean or improve something; to review or practice
limpiar o mejorar algo; repasar o practicar (limpiar o mejorar algo; repasar o practicar)
"He brushed up his teeth quickly before leaving for work."
"Él repasó sus dientes rápidamente antes de irse al trabajo." (El repasó sus dientes rapidamente antes de irse al trabajo)
to change focus, attitude, or direction toward something new
to discuss something thoroughly in order to resolve it
to unite people from different backgrounds
to accept a mistake or flaw that cannot be changed
to bring people together for a meeting
to accept tranquility and stop resisting calm feelings