that is it

成語所屬單字it

that is it — 慣用語

1. said when you have reached the main point or when something has now ended

1.慣用語
釋義

重點就在這裡;到此為止

said when you have reached the main point or when something has now ended

例句

That's just it: nobody asked the neighbors before building the wall.

Another missed payment, and that's it for the gym membership.