死灰復燃

lit. ashes burn once more (idiom); fig. sb lost returns to have influence / sth malevolent returns to haunt one

to die / impassable / uncrossable / inflexible / rigid / extremely / damned

ash / dust / lime / gray / discouraged; dejected

to burn / to ignite / to light / fig. to spark off (hopes) / to start (debate) / to raise (hopes)

to go and return / to return / to resume / to return to a normal or original state / to repeat / again / to recover / to restore / to turn over / to reply / to answer / to reply to a letter / to retaliate / to carry out