(be on) a / the slippery slope BrE informalused to talk about a process or habit that is difficult to stop and which will develop into something extremely bad〔过程或习惯〕走向极坏的境地:[+ to / towards ]•He is on the slippery slope to a life in crime.他逐渐滑向犯罪的深渊。—slipperiness noun U |