He is playing the character of Kyu in the play.

This is my salary.

What time does the next semi-express train come?

I recently met a middle school classmate of mine on the train.

He is an old acquaintance.

His neglect made the problem worse.

He ignored my opinion.

Our strategy is the key to success.

Speaking without honorifics can be considered rude.

Please tell me the abbreviation of this word.