He made a homemade cake.

In this age, technology is very important.

The political situation at that time was very unstable.

He composed a death poem.

I can't necessarily agree with his opinion.

He made a self-oath to achieve his goals.

He took an oath to himself to succeed.

He started a new project, having stood ready and had his bow drawn.

This hermit crab can perform autotomy when it senses danger, allowing it to escape from enemies.

There was not a single blade of grass growing in the park.