He is known as an expert in subcritical nuclear experiments.

He started exercises to strengthen his sternocleidomastoid muscle.

I wish for everyone to be happy.

His body was surprisingly flexible.

I am very interested in natural science.

It's difficult to understand the context of this sentence.

He was diagnosed with congestive heart failure.

Because he has immunodeficiency, he always pays attention to his health management.

He was diagnosed with prostate cancer.

He was tried for the crime of desertion in the face of the enemy.