keep up

Другие идиомы:

• keep track of (someone or something)
• keep one's wits about one
• keep a civil tongue
• keep the ball rolling
• keep good time
• keep (something) under wraps
• keep body and soul together
• keep (someone) in stitches
• keep one's head
• keep one's nose out of (something)
• keep one's distance from (someone or something)
• keep cool
• keep (someone) from (doing something)
• keep on (doing something)
• keep to oneself