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

當然之所以水立方那麼出名
And of course, that's why the water cube is so famous.

Cantonese Sentence Breakdown

當然 dong1 jin4
(adverb) absolutely
之所以 zi1 so2 ji5
the reason why
水立方 seoi2 laap6 fong1
Water Cube
那麼 naa5 mo1
so
出名 ceot1 meng2
(adjective) 1. famous; 2. renowned