heavy lifting
hea
ˈhɛ
he
vy
vi
vi
lif
lɪf
lif
ting
tɪng
ting

Définition et signification de « heavy lifting » en anglais

heavy lifting
01

the hardest or most important part of the work 

idiome
Exemples
The software handles the heavy lifting, so users only need to enter basic information. 
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