What does “打气 (dǎ qì) beat air” mean? – (Beginner)

Have you heard of the expression “打 气 (dǎ qì)?” The word “打 (dǎ)” means “hit/strike,” and “气 (qì)” means “air/gas.” As you might guess, this is the literal way of saying “pump up, inflate with air.” You might use it when speaking about inflating …