美滋滋: very happy, elated...
脑袋: head, skull, brains, mental capability...
跑道: athletic track, track, runway (i.e. airstrip)...
离不开: inseparable, inevitably linked to...
难关: difficulty, crisis...
失去: to lose...
哎呀: interjection of wonder, shock or admiration...
彩虹: rainbow...
环绕: to surround, to circle, to revolve around...
北方: north, the northern part a country, China north of the Yellow River...
