I will hold my birthday party on the tenth day of the month.

I buy daily necessities at the supermarket every week.

He was studying all day.

Revisionism aims to change our understanding of past events.

He is conducting research on historical kana usage.

He understands the meaning of the proverb 'Teaching is half learning', which means that teaching leads to one's own learning.

Thanks to his thorough investigation, a new discovery was made.

His business is smooth sailing.

His birthday party was like a wonderful feast, a Manchu Han Imperial Feast.

Manchu-Han Imperial Feast is a traditional Chinese cuisine, where a variety of lavish dishes are served.