Don't you think his behavior has been strange lately?

Nowadays, he goes to the gym every day.

He seemed to be in trouble.

He is having trouble solving math problems.

Do you know her secret?

He is an expert in tea evaluation, and his skills are recognized by everyone.

The evaluation of this product is very high.

He is good at evaluating that painting.

Himikoko is my best friend.

Ancient people believed that the east was the most sacred direction.