こんにちは, Welcome to jENI NO PIKA PIKA NIHONGO.Are you enjoying watching Olympics game?Japanese athletes are getting many gold medals, how about your country?Today's expression is Shitsurei Shimasu (失礼します）失礼します、means Excuse me or for a while.When you enter your boss's room, after youknockon the door, you can enter saying 失礼します。That's all for today.See you later!