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

現實系要一隻鴨
It takes a mouse to get to the bottom of it.

Cantonese Sentence Breakdown

ho2
can
may
able to
to approve
to permit
to suit
(particle used for emphasis) certainly
very
fit
to be worth (doing)
to need (doing)
but
however
yet
actually
taan3
to sigh
to gasp
to exclaim
to admire
to enjoy
to have a good life
to have a comfortable existence
to live it up
現實 jin6 sat6
reality
hai6
department
jiu3
important
vital
to want
to ask for
will
going to (as future auxiliary)
may
must
(used in a comparison) must be
probably
if
essential points
necessary
necessity
to desire
to need
should
jat1
one
single
a (article)
as soon as
entire
whole
all
throughout
"one" radical in Chinese characters (Kangxi radical 1)
also pr. [yāo] for greater clarity when spelling out numbers digit by digit
first (positional)
one part of a fraction, such as 'a' quarter, an eighth
a short duration (when used with a verb)
each
same
dedicated
from the start
zek3
classifier for birds and certain animals, one of a pair, some utensils, vessels etc
single
alone
one only
one of pair
month (in prison sentence)
aap2
duck M: 只zhī [只]