How to pronounce 紅線 in Cantonese (6 out of 7):

你可以搭捷運紅線
You can take the red line.

Cantonese Sentence Breakdown

nei5
you (informal, as opposed to courteous 您nín [您])
can be used to refer to an unspecified person
可以 ho2 ji5
(adjective) so so
daap3
to put up
to build (scaffolding)
to hang (clothes on a pole)
to connect
to join
to arrange in pairs
to match
to add
to throw in (resources)
to take (boat, train)
variant of 褡dā [褡]
to put over
捷運 zit3 wan6
MRT
紅線 hung4 sin3
red line