(stuck) in a rut
US /stʌk ɪn ə rʌt/
UK /stʌk ɪn ə rʌt/
1.
stuck in a boring routine or way of life that is difficult to change
:
•
I feel like I'm stuck in a rut with my job; every day is the same.
•
After years of doing the same thing, they realized they were in a rut and decided to travel.