grunt work

n.

简单的，枯燥乏味的工作，会使人感到非常疲劳的繁重的体力劳动。；

Grunt work
Grunt Work
Grunt Work
More than ‘Grunt Work’: What home health aides have in common with nurses.
More than 'grunt work'
TaskRabbit Turns Grunt Work Into a Game
Grunt work: a novel
Beyond grunt work : putting students at the center of digital scholarship
‘You Need to Do the Grunt Work’
The r&d grunt work shifts to suppliers
Pig business is the real grunt work
Phobos-Grunt - MyScienceWork
TV's New Grunt Work