He is knowledgeable in all fields of learning.

I am studying for the Japanese Language Proficiency Test next year.

He likes to take a walk in the park at dusk.

He is a perfectionist, but we must not forget that even monkeys fall from trees.

He always does perfect work, but he made a mistake today. Well, even monkeys fall from trees.

I find my new fountain pen easy to write with, and I really like it.

When she said thank you, I replied you're welcome.

He had a doctor look at his oesophagus problem.

How do you solve this problem?

He is a world-famous judoka.