slippery
/ˈslɪpərɪ/adjective
1- (of a surface or object) difficult to hold firmly or stand on because it is smooth, wet, or slimy（表面, 物体）滑的; 致使打滑的：
slippery ice
易打滑的冰
her hand was slippery with sweat.
她的手因有汗而滑溜溜的。
1.1
- (of a person) evasive and unpredictable; not to be relied on（人）油滑的, 不老实的; 靠不住的：
Martin's slippery customer.
马丁那位靠不住的客户。
1.2
- (of a word or concept) elusive in meaning because changing according to one's point of view（词语, 概念）含糊的; 难以捉摸的：
the word 'intended ' is a decidedly slippery one.
intended显然是个含糊的词。
短语
slippery slope
- an idea or course of action which will lead to something unacceptable, wrong, or disastrous会导致不为人接受的事物（或错事、灾难）的观点（或行为）：
he is on the slippery slope towards a life of crime.
他正在滑向罪恶人生。
派生词
slipperily
adverbslipperiness
noun词源
late 15th cent.: from dialect slipper 'slippery', probably suggested by Luther's schlipfferig.