hand ‧ i ‧ work /ˈhændiwɜːk $ -wɜːrk/ BrE AmE noun [uncountable]
[ Language: Old English ; Origin: handgeweorc 'hand-work' ]
sb’s handiwork
a) something that someone has made or done using their hands in a skilful way:
She stood back and admired her handiwork.
b) something that someone has done or caused:
The explosion looks like the handiwork of terrorists.