饱经沧桑: having lived through many changes...
一事无成: to have achieved nothing, to be a total failure, to get nowhere...
棵: classifier for trees, cabbages, plants etc...
罩: cover, fish trap (basket), shade...
指甲: fingernail...
叔叔: father's younger brother, uncle, Taiwan pr....
投入: to throw into, to put into, to throw oneself into, to participate in, to invest in, absorbed, engrossed...
急功近利: seeking instant benefit (idiom); shortsighted vision, looking only for fast return...
背着: turning one's back to (sth or sb), keeping sth secret from (sb), keeping (one's hands) behind one's back...
教育: to educate, to teach, education...
