to be behind with something, not at the level expected; FALL
behind
to postpone; to decide to do something at a late date. PUT
off
to reach the same standart or position as someone else. CATCH
up with
to pass
to pass with flying colours
more ideas or solutions will be produce if you work with someone else rather than your own
two heads are better than one
to work or study late into the night
burn the midnight oil
to just manage to do something (but nearly fail)
by the skin of my teeth
repeat words or ideas without understanding their meaning
to learn something parrot fashion
