slippery
adjective /ˈslɪpəri/
  /ˈslɪpəri/
Idioms - (also informal slippy)difficult to hold or to stand or move on, because it is smooth, wet or polished滑的;滑得抓不住(或站不稳、难以行走)的 - slippery like a fish滑得像条鱼似的 
- In places the path can be wet and slippery.这条小径有些路段又湿又滑。 
- His hand was slippery with sweat.他的手汗津津的。 
 - The concrete gets slippery when it's wet.混凝土地面湿的时候会很滑。 
- The oil made the ground slippery and treacherous to walk on.油使地面打滑,走在上面很危险。 
- Watch out—the floor's a bit slippery.小心,地板有点儿滑。 
- rocks that were slippery with seaweed布满海草而发滑的岩石 
 Collocations Dictionaryverbs- be
- feel
- look
- …
 - extremely
- fairly
- very
- …
 - with
 - slippery when wet
- wet and slippery
 
- slippery like a fish
- (informal) (of a person人 油滑的;滑头滑脑的;靠不住的 - Don't believe what he says—he's a slippery customer (= person).你可别信他说的话,他是个滑头的家伙。 
 
- Don't believe what he says—he's a slippery customer (= person).
- (informal) (of a situation, subject, problem, etc.情况、课题、问题等 难以应对的;棘手的 - Freedom is a slippery concept (= because its meaning changes according to your point of view).自由是一个难以明确的概念。 
- International law is notoriously slippery.人所共知,国际法相当棘手。 
 Collocations Dictionaryverbs- be
- feel
- look
- …
 - extremely
- fairly
- very
- …
 - with
 - slippery when wet
- wet and slippery
 
- Freedom is a slippery concept (= because its meaning changes according to your point of view).
词源late 15th cent.: from dialect slipper ‘slippery’, probably suggested by Luther's schlipfferig.
Idioms 
the/a slippery slope 
- a course of action that is difficult to stop once it has begun, and can lead to serious problems or disaster使人滑向深渊的斜坡;危险的境地 - She realized he was on the slippery slope towards a life of crime.她意识到他正滑向犯罪的深渊。 
 
- She realized he was on the slippery slope towards a life of crime.