Comparing.

1. Comparisons are a great way to build up a picture of something. They sound interesting and they create a big effect in your reader's mind. 

Lisa felt sick. Her face went green.

or

Lisa felt sick. Her face went greener than an iceberg lettuce.

It was very cold.

or

It was colder than an Arctic winter.

He was very bad at beach volleyball.

or

He was the worst beach volleyball player I had ever seen.

She…