As soon as I entered the mall, it was as deep as the sea.

As soon as I entered the mall, I was as deep as the sea, and suddenly I looked back for a hundred years.

This is a poem that has been put into use. The original poem is: As soon as you enter the Houmen, it is as deep as the sea. The next sentence is: Become a stranger in Xiao Lang from now on.

This is a poem "To the Maid" by Cui Jiao, a poet in the Tang Dynasty. The original poem is as follows:

The prince's children rushed back, and the beautiful woman was wet with tears.

Once in the depths of Hou's ocean, he became a stranger from then on.