He decided to walls up his emotions and not let anyone in.

The workers walled up the entrance to the cave.

They are walling up the entrance to the cave.

The Chinese walls in the Forbidden City are a remarkable architectural feature.

The law firm implemented strict ethical walls to prevent conflicts of interest.

The flower walls at the wedding venue were absolutely stunning.

The paper walls of the traditional Japanese house create a serene and peaceful atmosphere.

Living walls are a popular trend in modern architecture.

Many websites have login walls that require users to create an account before accessing the content.

They went balls to the walls during the concert.