to join an ongoing conversation
進行中の会話に参加する (shinkō-chū no kaiwa ni sanka suru)
"He politely broke into the conversation to share his opinion."
"彼は礼儀正しく会話に割り込んで自分の意見を共有しました。" (Kare wa reigi tadashiku kaiwa ni warikonde jibun no iken o kyōyū shimashita.)
to establish trading relationships with another country
to control one’s temper during conflict
to clean and organize a space
to express emotions instead of keeping them inside
to stay confident that things will turn out well
to spend time relaxing or socializing with someone