How to pronounce 出戰 in Cantonese (4 out of 9):

當中雲集了很多香港頂尖選手出戰
And the clouds brought together many of Hong Kong's top players to fight.

Cantonese Sentence Breakdown

當中 dong1 zung1
among
雲集 wan6 zaap6
gather
liu4
(modal particle intensifying preceding clause)
(completed action marker)
to finish
to end
to settle
a final particle indicating change of situation to understand
a verb particle indicating possibility
to put in
to take away
to escape
flee in secret
很多 han2 do1
noun; a lot of
香港 hoeng1 gong2
Hong Kong
頂尖 ding2 zim1
top-notch
選手 syun2 sau2
athlete
出戰 ceot1 zin3
go to war