very calm and composed
非常冷静和镇定 (feichang lengjing he zhending)
"He stayed cool as a cucumber during the meeting."
"他在会议期间保持非常冷静。" (ta zai huiyi qijian baochi feichang lengjing)
to travel frequently; to not stay in one place for long
to make unrealistic plans or dreams
a true friend helps you in difficult times
to be much better than someone at something
to have many creative ideas at once
to start something from the very beginning