How to pronounce 泗 in Cantonese (4 out of 6):

洲島為河流侵蝕切割而成
The island was cut off by the erosion of the river.

Cantonese Sentence Breakdown

sei3
nasal mucus
name of a river
zau1
continent
island in a river
islet
dou2
island
wai6
because of
for
on account of
on behalf of
by (in the passive voice)
河流 ho4 lau4
river
侵蝕 cam1 sik6
(noun) (of chemistry) Corrosion
切割 cit3 got3
cut
nang4
an alternative form for 能,to be able
seng4
to succeed
to finish
to complete
to accomplish
to become
to turn into
to be all right
OK!
one tenth
success
to amount to
whole
full
almost
nearly
capable
a surname
to settle