情急智生
hit upon a good idea in a moment of desperation; have a brainwave on the spur of the moment;have quick wits in emergency
情急智生qínɡ jí zhì shēnɡ
情况紧急时,突然想到了一个应变的好方法。hit on a good idea in a moment of desperation, be quick-witted, have quick wits in an emergency