In this town, the clearing out of mud from a ditch is carried out every spring.

It's such a pity that you lost your father.

The children are enjoying playing in the mud at the park.

He rose in the world through hard work and talent.

He was arrested on suspicion of kidnapping a child.

The Mariana Trench is the deepest part of the earth.

Once upon a time, a frog was hopping around in a pond.

The fact-finding committee submitted a detailed report on this issue.

The Security Council is the main organization for maintaining international peace and security.

Let's cherish every encounter with the spirit of 'once in a lifetime'.