He can play the piano freely.

His talent is still hidden.

His hidden talent became apparent.

The police suspect him of possessing stimulants.

Antibiotics don't work for colds, so rest is the best.

This drink contains additives.

When making bread, you need a leavening agent.

It is important to use mouthwash every day after brushing your teeth.

Choosing the flooring for the new house is difficult.

This building is made of high-quality building stone.