[This is probably the meaning though Mei Yao-ch’en has the note: "while
we are taking our ease, wait for the enemy to tire himself out." The
_Yu Lan_ has "Lure him on and tire him out."]
If his forces are united, separate them.
[Less plausible is the interpretation favoured by most of the
commentators: "If sovereign and subject are in accord, put division
between them."]