act as the occasion requires;adapt oneself to circumstances;adaptableto changing circumstances; follow a flexible course of action; not bound by old rules ? 滿朝大臣中沒有一個人在做事干練和～上能比得上楊嗣昌的。(姚雪垠《李自成》 Ⅱ—32) None of the ministers in the court couldbeat Yang Sichang in capability and experience and in adapting themselves to circumstances. ? 他接到的指示是：“～，相機行事?！盩he written instruction he received read，“A dapt yourself to circumstances and act as the occasion demands.”
通權(quán)達變tong quan da bian
be flexible and untrammeled by conventions
通權(quán)達變tōnɡ quán dá biàn
權(quán)：變通；達：通曉、懂得。形容為了適應(yīng)客觀情況的需要，打破慣例，靈活辦事。adapt oneself to circumstances, act as occasion requires, not bound by old rules