to talk informally with someone
誰かと非公式に話す (dareka to hikoushiki ni hanasu)
"She loves to chat with new people at social events."
"彼女は社交イベントで新しい人とチャットするのが好きです。" (kanojo wa shakai ibento de atarashii hito to **chatto suru** no ga suki desu)
to focus all attention and effort on achieving something
to start something without using anything that already exist...
to fall under a particular level or value
to become calm after being angry
to release built-up stress or tension
to center your emotions so you can communicate steadily