He is trying to mend his relationship with his ex-wife.

He was playing with the children.

It's difficult to handle this machine.

He continued to explain earnestly.

The Edgeworth-Kuiper belt is a collection of icy bodies located on the outer edge of the solar system.

Amaterasu Omikami is one of the gods our ancestors believed in.

He is doing a special exercise to strengthen his flexor carpi ulnaris.

He is doing special exercises to strengthen his extensor carpi ulnaris.

The flexor carpi radialis is an important muscle for bending the wrist.

He deeply loves his home country.