This project was partially successful.

He always bluffs because he lacks confidence.

Writing a declaration is difficult.

Liquid nitrogen is very cold, so care must be taken when handling it.

Liquid oxygen is often used as rocket fuel.

Recently, this store has become so quiet that you can hear a pin drop.

We are putting a lot of effort into protecting intellectual property.

He is learning the basics of mathematics.

This park was completely artificially made.

The kiwi is a symbolic bird of New Zealand.