尖细

尖细	jiān xì	(of an object) tapered / (of a voice) high-pitched
尖	jiān	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
细	xì	thin or slender / finely particulate / thin and soft / fine / delicate / trifling / (of a sound) quiet / frugal