on the beam
• on the right track.
• "I've had a couple of stormy sessions with the old rascal trying to keep him on the beam"
off beam
• on the wrong track; mistaken.
• "you're off beam on this one"
Similar:
mistaken,
incorrect,
inaccurate,
wrong,
erroneous,
off-target,
out,
on the wrong track,
wide of the mark,
awry,
(getting) cold,
