to keep ahead

to keep/stay out of harm’s way

Keep moving

to keep alive

to keep mum

to keep/stick to the point

to keep an appointment

to keep a stiff upper lip

to keep an even keel

keep one’s wits about one

I keep aloof.

I’ll keep my fingers crossed for you!

Keep at it!

to keep an eye out for someone/something

to keep an open mind

I’ll keep a jealous watch over you!

to keep an eye on

Keep dry!

Keep it zipped!

to keep at arm’s length

to keep at it

Keep off my pitch!

to keep bad company

Keep your tail up

Keep out of this!