pointed; tapering; sharp / (of a sound) shrill; piercing / (of one's hearing, sight etc) sharp; acute; keen / to make (one's voice) shrill / sharp point; tip / the best of sth; the cream of the crop
(last line of the poem 望岳 by Tang poet Du Fu 杜甫[Du4 Fu3]) with one look I shall see all the smaller mountains down below (from the summit of Mt Tai 泰山[Tai4 Shan1]) / (fig.) awe-inspiring view from a very high place
lit. above are the elderly, below are the young (idiom) / fig. to have to take care of both one's aging parents and one's children / sandwich generation