Entry record from Schapper (2020): Wersing Peitoko
amutung[aˈmutuŋ]
(1) vi. naughty; stubborn.nakal; bandel.
Ol pok ba amutungte lomu tko aso getme naung.That child is naughty such that also if you say stuff repeatedly, it doesn't hear., Anak kecil itu nakal jadi omong juga tidak dengar.
(2) vi. hardworking; industrious; diligent.rajin.
Markus amutungte sirwis gpai lemleng.Markus is hardworking, so he works until night., Markus rajin, jadi kerja sampai malam.
Source: Hans Retebana