askeenasrazors像刺刀一样的尖锐
incisive[sharp]criticism;尖锐的批评
pointoutsharply;尖锐地指出
shrillwhistle尖锐的汽笛声
sharpmentalconflicts;尖锐的思想斗争
bediametricallyopposedtoeachother;尖锐对立