尖刻

尖刻	jiān kè	caustic / biting / piquant / acerbic / vitriolic / acrimonious
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
刻	kè	quarter (hour) / moment / to carve / to engrave / to cut / oppressive / classifier for short time intervals