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

佢哋有信心係我哋面前
They're confident that they're hiding it from us.

Cantonese Sentence Breakdown

佢哋 keoi5 dei6
(pronoun) they
有信心 jau5 seon3 sam1
to have confidence
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
我哋 ngo5 dei6
(pronoun) we; us
面前 min6 cin4
in front
mun4
to conceal from
to keep (sb) in the dark
to deceive
to lie
eyes half-closed
to hide the truth from
dou3
to (a place)
until (a time)
up to
to go
to arrive
(verb complement denoting completion or result of an action)
been to
a particle used after a verb or adjective to indicate degree
extent