How to pronounce 磨刀 in Cantonese (3 out of 4):

磨刀不是把刀磨利
A grinding knife is not a grinding knife.

Cantonese Sentence Breakdown

磨刀 mo4 dou1
sharpen a knife
不是 bat1 si6
is not
baa3
to hold
to contain
to grasp
to take hold of
handle
particle marking the following noun as a direct object
classifier for objects with handle
classifier for small objects: handful
to guard
to hold in place
sworn brotherhood
dou1
knife
mo6
mill
millstones
to turn round
to move
lei6
sharp
favorable
advantage
benefit
profit
interest
to do good to
to benefit
merit
resources
public utility
wealth
riches
a surname
fluent
eloquent
lucky
convenient
of good fortune
smooth
orderly