işin zor kısmı

listen to the pronunciation of işin zor kısmı
Турецкий язык - Английский Язык
donkey work
Hard, boring, routine work

Why does everyone else get the interesting work while I have to do all the donkey work?.

tediously repetitive work; drudgery, hard work
If you do the donkey work, you do the hard work or the less interesting part of the work that needs to be done