I'm in the middle of a conversation, so please wait a moment.

She is studying traditional Chinese medicine and is utilizing that knowledge.

Mail arrived while I was away from home.

He was promoted to lieutenant general yesterday.

I am busy with work during the day.

I work during the daytime.

In this museum, the entrance fee varies according to three age categories: adults, middle-aged, and children.

Kainaka is my best friend.

He gets excited about creampie in adult videos.