How to pronounce 歸根究底 in Cantonese (1 out of 2):

歸根究底都係因為我對S21嘅期望太大

Cantonese Sentence Breakdown

歸根究底 gwai1 gan1 gau3 dai2
(adverb) After all; ultimately
dou1
all
both
entirely
(used for emphasis) even
already
(not) at all
metropolis
capital
big city
the whole
elegant
refined
without exception
also
too
still
used in a sentence to add an inference or interrogative tone
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
因為 jan1 wai6
due to
ngo5
I
me
my
us
we
our
self
deoi3
right
correct
couple
pair
towards
at
for
to face
opposite
to treat (sb a certain way)
to match together
to adjust
to fit
to suit
to answer
to reply
classifier: couple
pair
to compare
to check
to adjust
koi3
indignant
generous
to sigh (with emotion)
期望 kei4 mong6
Expectation
太大 taai3 daai6
Too big