Synonyms: continue, persist in
Definition: do something repeatedly and showing no intention to stop
Usage: We continued our research into the cause of the illness; The landlord persists in asking us to move
Definition: perform an action, or work out or perform (an action)
Usage: think before you act; We must move quickly; The governor should act on the new energy bill; The nanny acted quickly by grabbing the toddler and covering him with a wet towel