How to pronounce 虧 in Cantonese (6 out of 8):

你會光光!
You're going to lose your light!

Cantonese Sentence Breakdown

nei5
you (informal, as opposed to courteous 您nín [您])
can be used to refer to an unspecified person
wui6
a moment (Taiwan pr. for this sense is [huǐ])
metropolitan
gatherings union
to meet
to catch up
kwai1
deficiency
deficit
luckily
it's lucky that...
(often ironically) fancy that...
damage
to lose
to fail
to treat unfairly
waning
to owe
impotent
weak
feeble
光光 gwong1 gwong1
completely empty