How to pronounce 手背 in Cantonese (4 out of 5):

手背方平便容易開鎖
It's easy to lock up with your hands flat.

Cantonese Sentence Breakdown

手背 sau2 bui3
back of hand
fong1
square
power or involution (mathematics)
upright
honest
fair and square
direction
side
party (to a contract, dispute etc)
place
method
prescription (medicine)
just when
only or just
classifier for square things
abbr. for square or cubic meter
locality
to disobey
to criticize and compare
just now
region
local
rectangular
occultism
a surname
ping4
flat
level
equal
to tie (make the same score)
to draw (score)
calm
peaceful
see also 平声píngshēng [平声], the even tone
peace
short for Peiping
a scale
a surname
to pacify
to restore to normal
to weigh and pay
common
fair
to conquer
to regulate
a draw
(one) hundred
便 pin4
cheap
unmerited advantages
glib-tongued
bulging
容易 jung4 ji6
easy
開鎖 hoi1 so2
unlock