to practice and improve until becoming very skilled
非常に熟練するまで練習して改善し続ける
"She is working toward mastery in public speaking."
"彼女は公共のスピーキングでマスタリーを目指して働いています。"
to stay informed or aware of something
to introduce innovation gradually
to allow others to see your feelings or emotional state
to connect or join with another group or organization
to stop paying attention to stressful things
to keep an optimistic attitude
