Ringing the bell in the toilet is an idiom

Answer: Notoriety (Ming) is far and wide!

Carry something through to the end.

There's and there's a clock. Because the toilet is a convenient place, there is, there is a bell, there is a bell, so homonym: there is a beginning and an end! --Persistence in something.

There is a beginning () and an end (bell).

There is a beginning (there is in the toilet) and there is an end (someone rings the bell).

There is a beginning and an end (there is and a clock).