How to pronounce 快門 in Cantonese (5 out of 7):

快門太慢咪會手震囉 IOS太高咪多noise囉
The shutter speed is too slow to shake hands, and IOS is too high, and IOS is too loud.

Cantonese Sentence Breakdown

快門 fai3 mun4
shutter
太慢 taai3 maan6
too slow
mui1
sound of cat
cat's meow
wui6
a moment (Taiwan pr. for this sense is [huǐ])
metropolitan
gatherings union
to meet
to catch up
sau2
hand
(formal) to hold
person engaged in certain types of work
person skilled in certain types of work
personal(ly)
convenient
classifier for skill M: 双shuāng [双]
只zhī [只]
portable
handy
handwritten
skill
skilled person
used in the noun first hand, second hand etc
a quantifier for the smallest tradable unit of stocks
a hand of cards
a game
a turn (gambling terminology)
zan3
to shake
to vibrate
to jolt
to quake
excited
shocked
one of the Eight Trigrams 八卦bāguà [八卦], symbolizing thunder
tremor
quake
to shock
to crash
to frighten
pregnant
lo4
a final particle to express one's certainty in a decision
firmness
suggestion
argumentative mood
emphasis
noisy
太高 taai3 gou1
too high
do1
many
much
often
a lot of
numerous
more
in excess
how (to what extent)
multi-
Taiwan pr. [duó] when it means "how"
much better
plenty
exceed
demonstrably