How to pronounce 焦距 in Cantonese (2 out of 5):

同埋呢 當你用70mm呢個焦距嘅時候
And here's what happens when you use this 70mm focal length.

Cantonese Sentence Breakdown

同埋 tung4 maai4
and; together with
ni1
this
dong3
right
trap
trick
pawn
to regard as
to pawn
thought
fit
proper
safe
appropriate
to treat as
nei5
you (informal, as opposed to courteous 您nín [您])
can be used to refer to an unspecified person
jung6
to use
to employ
to have to
to eat or drink
expense or outlay
usefulness
hence
therefore
to apply
to operate
function
to spend
to make use
to serve as
to eat
to drink
with
to need
to exert
effect
with this
呢個 ni1 go3
this
焦距 ziu1 geoi2
focal length
koi3
indignant
generous
to sigh (with emotion)
時候 si4 hau6
time