He found a bird's nest in the tree.

Mrs. is enjoying a meal at the restaurant.

Please add a little vinegar to this salad.

Her behavior seemed mysterious.

His father was diagnosed with schizophrenia in the past.

The impact of the unequal treaty is still deeply rooted in our society.

He is a perfectionist, so he is very strict about his work.

He publicly acknowledged that he is a homosexual.

He always looks at things like a pessimist.

He is always an optimist, believing in a bright future even in difficult situations.