Keep – phrasal verb
Keep back – stay at a distance from
The onlookers kept back from the fire.
Keep back – make somebody to stay at a distance
The barriers and riot police kept protesters back from the politician.
Keep back – restrain a feeling/emotion
She couldn’t keep back the tears when she set her eyes on the cadaver.
Keep down – oppress
The people of Eastern Europe were kept down by communists for years.
Keep down – make something stay at a low level
We always try to keep the noise down when coming home after midnight.
Keep off – prevent from coming near
Visitors should keep off the grass.
Keep off – avoid something
I’m keeping off fatty food to lower my cholesterol level.
Keep off – avoid mentioning a subject
It is advisable to keep off politics in the pub.
Keep on – continue
Keep on until you come to the traffic lights.
Keep somebody on – continue to employ
He was kept on despite his errors.
Keep on about something – talk at length about a particular subject
She always keeps on about her new boyfriend.
Keep out – prevent from entering
Our gate is always locked to keep unwelcome visitors out.
Keep out of – avoid something
Try to keep out of trouble for a day, please.
Keep up – make stay at a high level
Distributors always try to keep the petrol price up as long as possible.
Keep up – continue at the same level
Keep up the good work.
Keep up – maintain something in a good condition (house,garden)
It’s very time-consuming to keep the garden up.
Keep up with – make the same rate of progress
I couldn’t keep up with the rest of the pack and fell behind.
Keep up with – continue to be in touch with
He doesn’t keep up with many college friends.
It’s difficult to keep up with all the news from around the world.
Keep away from – avoid going near
Keep away from the edge of the cliff when walking on the coast. It can be very treacherous.