硬盘: hard disk...
青春: youth, youthfulness...
高低: height, altitude (aviation), pitch (music), ups and downs (success or failure), whether sth is right or wrong, comparative strength, weight, depth, stature, (spoken interjection) anyway, whatever,...
名片: (business) card...
无须: need not, not obliged to, not necessarily...
气势: imposing manner, loftiness, grandeur, energetic looks, vigor...
违规: to violate (rules), irregular, illegal, corrupt...
不经意: not paying attention, carelessly, by accident...
