He was afraid of others and couldn't express his opinion.

He stands out with his bright clothes.

She was living a life just like a sheltered daughter.

She was raised as a sheltered girl and knows little about the outside world.

Don't be absurd, there's no way he would do such a thing.

Observing the growth process of a megalopa is very interesting.

He felt inferior in front of her talent.

I'm having trouble setting up the mail form.

He always tries to make judgments based on the long run.

Methionine is one of the essential amino acids that cannot be synthesized in the human body.