in a rutCHANGE/BECOME DIFFERENTliving or working in a situation that never changes, so that you feel bored 〔生活或工作〕刻板乏味，一成不变 I was stuck in a rut and decided to look for a new job. 我的生活一成不变，所以我决定找一份新工作。
stuck in a rut• I sometimes feel my that my relationship with Jeff is stuck in a rut.
→ in a rut at rut(1)