A dictionary of Confusable Phrases: More Than 10,000 Idioms and Collocations

beyond it • off it
beyond it—(also: past it) unable any longer to pursue a nor-
mally active life as when younger: Jackson is eighty, yet he
still goes to business every day. Most people are beyond it long
before that age.
off it—(coll.) not feeling well: I shall hesitate before swal-
lowing painkillers next time I feel off it and give natural reme-
dies a try I think.
See also: not in it / not with it; out of it / well out of it.
beyond limits • out of limits
beyond limits —beyond the bounds of what is usual or
proper: The total lack of respect from the staff in this place
was beyond limits.
Note: 
The expression is not equivalent in meaning to the phrase
without limits
— without restriction; to any extent or degree: If
only the banks would lend money without limits!
out of limits —(of an area) with restricted access (also: off
limits): The entrance to the building was out of limits to the
non-students.
beyond one • beyond oneself
beyond one —beyond one’s power: It is beyond me to even
propose an opinion on what should be implemented to resolve
this issue.
beyond oneself —overpowered with some strong feeling (also:
beside oneself ): He was beyond himself with rage and could
not keep his temper.
beyond the bounds of something • out of bounds
to someone
beyond the bounds of something —beyond the limits of what
is acceptable or possible: To acknowledge that the question is
beyond the bounds of science, is to admit that science cannot
explain everything.
out of bounds to someone —said of an area not allowed to be
visited by certain people: The police patrolled the bridges that
gave access to a small village, which was out of bounds to
troops.