我係唔會嘅! 佢會跟住我行嘅~放心><
I won't! He'll follow me -- be assured.

Cantonese Sentence Breakdown

我 ngo5
I
me
my
us
we
our
self
係 hai6
(Cantonese) to be
to connect
to relate to
to tie up
to bind
to be (literary)
to involve
relation
relationship
consequence
yes
indeed
right
唔會 m4 wui2
would not; not possible
嘅 koi3
indignant
generous
to sigh (with emotion)
佢 heoi5
he
she
it (Cantonese)
Mandarin equivalent: 他tā [他]
會 wui6
a moment (Taiwan pr. for this sense is [huǐ])
metropolitan
gatherings union
to meet
to catch up
跟住 gan1 zyu6
and then; and after
行 hong6
strong
放心 fong3 sam1
(phrasal adverb) Don't worry!