How to pronounce 信號 in Cantonese (6 out of 8):

咦!真係無信號
Wow! There's no sign.

Cantonese Sentence Breakdown

ji4
expression of surprise
disapproval
真係 zan1 hai6
really; very
mou4
not to have
no
none
not
to lack
un-
–less
without
信號 seon3 hou6
signal