a month of Sundays

US /ə mʌnθ əv ˈsʌn.deɪz/
UK /ə mʌnθ əv ˈsʌn.deɪz/
"a month of Sundays" picture
1.

很久很久, 漫长的时间

a very long period of time

:
I haven't seen him in a month of Sundays.
我很久很久没见到他了。
It will be a month of Sundays before they finish that project.
他们完成那个项目还需要很长很长的时间。