あの赤い布は「袱紗」茶道具を清めるために使う必需品なの。

That red cloth is a "fukusa"; it is a vital tool used to cleanse the tea equipment.

退職を契機に茶道を始めた。

I took the opportunity of retirement to begin studying the tea ceremony.

エミリーは茶道と花道にたいへん興味を持っています。

Emily is very interested in tea ceremony and flower arrangement.