How to pronounce 原則上 in Cantonese (5 out of 6):

原則上唔建議隨便換走,5換1黎講都真係幾貴
I don't recommend switching, in principle, and 5 to 1 is expensive.

Cantonese Sentence Breakdown

原則上 jyun4 zik1 soeng5
principally
ng4
oh (expression of agreement or surprise)
(Cantonese) not
to hold in mouth
to bite
建議 gin3 yi3
suggest
隨便 sui4 bin2
casual
wun6
to exchange
to change (clothes etc)
to substitute
to switch
to convert (currency)
to alter
zau2
to walk
to go
to run
to move (of vehicle)
to visit
to leave
to go away
to die (euph.)
from
through
away (in compound verbs, such as 撤走chèzǒu [撤走])
to change (shape, form, meaning)
to escape
to run away
to make a trip
to leak out
to incur loss
one's humble self
lai4
black
a surname
numerous
many
dark
an aboriginal tribe
gong2
(verb) to tell
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
真係 zan1 hai6
really; very
gei2
how much
how many
several
a few
quite
shortly thereafter
gwai3
expensive
noble
your (name), used in a polite expression
precious
costly
valuable
a surname
to esteem highly
to value
to treasure
to honour or love
honorable
honorific
part of a place name
elegant
high class