How to pronounce 滅火 in Cantonese (2 out of 3):

關鍵嘅唔單只係滅火
The key is not just to put out the fire.

Cantonese Sentence Breakdown

關鍵 goan1 hing3
key
koi3
indignant
generous
to sigh (with emotion)
唔單只 m4 daan1 zi2
not only; nevertheless
hai6
(Cantonese) to be
to connect
to relate to
to tie up
to bind
to be (literary)
to involve
relation
relationship
consequence
yes
indeed
right
滅火 mit6 fo2
put out fire