He is always going easy on his work.

He told me to go easy on him.

His ears are very good, so he can hear distant sounds.

The first time I heard his name was at that party.

Recently, my tinnitus has been so bad that I decided to see a doctor.

An isotope refers to elements with the same atomic number but different numbers of neutrons.

Protozoans are single-celled organisms.

My uncle is a famous zoologist.

Every day, my father polishes his shoes.

We will make this project successful by working together with one mind.