to increase one’s knowledge or experience
增加一个人的知识或经验 (zengjia yige ren de zhishi huo jingyan)
"Traveling abroad can really help you expand your horizons."
"出国旅行确实可以帮助你扩展你的视野。" (Chuguo lüxing que shi keyi bangzhu ni kuozhan nide shiyan)
to start something quickly, especially a system
doing something unfamiliar or challenging
completely exhausted or near collapse
to speak at length in an excited or annoyed way
to adjust oneself to new situations or changes
to describe something in an overly optimistic way
