How to pronounce 首要 in Cantonese (4 out of 5):

佢哋首要嘅任務
Their primary mission is to help them.

Cantonese Sentence Breakdown

佢哋 keoi5 dei6
(pronoun) they
首要 sau2 jiu3
primary
koi3
indignant
generous
to sigh (with emotion)
任務 jam6 mou6
mission