keep up
Not let someone go to bed
Maintain a continuous action, persist
keep on
keep up with
Move at the same rate
Stay up to date
keep out
Not allow someone to enter
keep in
Not allow someone out
keep around
Keep something near you
keep off
Not talk about
Not tread on something
keep down
Not vomit
keep away
Don't allow someone near something
keep back
Maintain a safe distance
keep at
Continue with something difficult
keep up at
Continue, not quit
keep from
Control yourself, refrain
keep to
Stay within limits
keep away from
To avoid.
To evade.
To deny access to.
keep in with
To continue to have a good relationship with (someone)
keep out of
To stay away from a place or condition
To restrain someone or something from entering a place or condition