cordon off	stop people from entering an area by putting sth such a rope around it
creep up on	move towards sb quietly and slowly, esp. when you want to suprise them
fall behind	make less progress or be less successful than other people who are doing a similar job or activity
go astray	become lost or go to the wrong place
head off	prevent someone from going somewhere by getting in front of them/prevent sth from taking place
hold back	stop someone or sth from moving forwards
move in	start living in a different house or flat
move on	leave one place and travel to another
move on	stop doing/discussing sth and begin doing/discussing sth different
move out	permanently leave your house or flat where you live or the place where you have your business
move over	change your position in order to make space for someone or sth
pull over	stop by the side of the road in a car ot other vehicle
slip away	leave secretly
step aside	move so than sb can pass you/leave a job so that sb else can take over
to take over from sb (as CEO)	to replace somebody (as CEO)
stop off	visit somewhere before continuing to another place
tip up sth	have one end move upward, esp. because sth heavy has been put at the other end
tip up sth	turn sth(e.g. a container) upside down so that the things inside it come out
walk out	leave a meating/performance, etc. before the end, usually because you are angry or bored
walk out	suddenly leave you family/relationship/job etc.