Matching Pairs Expressions with Keep and StayOnline version Match the expression with the correct definition by Pedro Torres Hernandez 1 Keep / Stay in touch 2 Stay awake 3 Keep in perspective 4 Keep up with current events 5 Keep expenses down 6 Keep / Stay out of trouble to learn about or be aware of the news not fall asleep to behave well ; to not do anything bad. To maintain contact with another person prevent something from increasing . To keep costs down to compare with something similar to give a clearer, more accurate idea.