See at: dead set against (something)

• keep on a short leash
• keep on a tight leash
• keep one eye on
• keep one eye on someone
• keep one eye on something
• keep one step ahead
• keep on the edge of seat
• keep on the edge of their seat
• keep on the edge of your seat
• keep on their toes
• keep on toes
• keep options open
• keep own counsel
• keep pace
• keep pace with
• keep pace with someone
• keep pace with something
• Keep pecker up!
• keep posted
• keep powder dry
• keep quiet
• keep quiet about
• keep quiet about something
• keep shirt on
• Keep shirt on!