I was amazed by his unparalleled skills.

Saltpetre is one of the main ingredients of gunpowder.

He is a famous novelist.

He chose self-immolation as a form of protest.

He chose to self-immolate to express his protest.

We will do our best to win this sales battle.

In this area, snow removal work is necessary when winter comes.

This rayon thread is very durable and long-lasting.

Where is my authentication certificate?

He made up his mind to apply for a new job.