He had a profound realization about the problem.

Please tell me the stem of this word.

He spent a night in the old warehouse.

The concert tickets are completely sold out.

The concert tickets sold out quickly.

His speech had a good balance of looseness and tightness, making it easy to listen to.

Learning about the history of Samhan is very important for understanding ancient East Asian culture.

I love the taste of licorice.

He is scheduled to undergo liver transplantation surgery.

I will humbly return this wallet.