pyrotechnics

n 1 [sing v] art of making fireworks 烟火制造术. 2 [pl] (fml 文) public display of fireworks as an entertainment 烟火的施放; 放烟火; 放烟花. 3 [pl] (fig sometimes derog 比喻, 有时作贬义) brilliant display of skill, eg by an orator, a musician, etc 技艺（如口才、 演奏技巧等）的出色表现; 炫耀技巧.

puzzling, PVC, Pvt, PW, PX, pygmy (also pigmy), pyjama (US pajama), pyjamas, pyjamas (also esp US pajamas), pylon, pyorrhoea (also esp US pyorrhea), pyramid, pyramid selling, pyramidal, pyre, Pyrex, pyrites, pyromania, pyromaniac, pyrotechnic, Pyrrhic victory, python, Q, Q, q, QB, QC, QE2, QED, qr, qt, qto, qty, qua, quack, quack-quack, quackery, quad, quadr(i)-, Quadragesima, quadrangle,