How to pronounce 成晚 in Cantonese (6 out of 7):

成晚都咋醒
I stayed up all night.

Cantonese Sentence Breakdown

成晚 seng4 maan5
all night long; the whole night [colloquial]
dou1
all
both
entirely
(used for emphasis) even
already
(not) at all
metropolis
capital
big city
the whole
elegant
refined
without exception
also
too
still
used in a sentence to add an inference or interrogative tone
zaa4
final particle meaning 'merely
only' when used in a rhetorical question
sing2
smart
clever
showing initiative
to give (guidance
money
a slap)
to present