How to pronounce 雙魚 in Cantonese (3 out of 5):

定係雙魚
Or the fish.

Cantonese Sentence Breakdown

定係 ding6 hai6
(conjunction) or
雙魚 soeng1 jyu4
Pisces (astrological sign)
haa1
(particle equivalent to 啊 after a vowel, expressing surprise or doubt)