adj.渭的；adj.难懂的；adj.不可靠的
Merriam-Webster Online Dictionary
slippery (adjective)1.
a) causing or tending to cause something to slide or fall - slippery roads
b) tending to slip from the grasp - a slippery fish
2.
a) not firmly fixed - unstable
b) not precise or fixed in meaning - ambiguous elusive
3.
not to be trusted - tricky
Merriam-Webster Online Thesaurus
slippery (adjective)1.
given to acting in secret and to concealing one's intentions
SYNONYMS:
furtive, shady, shifty, slippery, sly, sneaking, stealthyRELATED WORDS:
artful, crafty, cunning, devious, foxy, guileful, slick, wily; close, closemouthed, reticent, secretive; clandestine, covert, dark; deceitful, deceiving, deceptive, devious, duplicitous, trickish, tricky, underhand, underhanded; cheating, crooked, defrauding, dishonest, dissembling, double-dealing, knavish, two-faced; lying, mendacious, untrustworthy, untruthful; insidious, perfidious, serpentine, treacherousNEAR ANTONYMS:
aboveboard, forthright, plainspoken, straightforward; candid, direct, foursquare, frank, open, plain; honest, trustworthy, truthful2.
hard to find, capture, or isolate
SYNONYMS:
evasive, fugitive, slipperyRELATED WORDS:
cagey ( cagy), shifty; ephemeral, evanescent, fleeting, impermanent, momentary, passing, short-lived, temporary, transient, transitory; inaccessible, inconvenient, unapproachable, unattainable, unavailable, unobtainable, unreachable, untouchableNEAR ANTONYMS:
accessible, approachable, attainable, available, convenient, obtainable, reachable3.
having or being a surface so smooth as to greatly reduce traction
SYNONYMS:
greased, greasy, lubricated, oiled, slicked, slippery, slippy, slitheryRELATED WORDS:
brushed, buffed, burnished, glossed, ground, polished, rubbed, shined; coated, glazed, waxed; soapy, waxy; rasped, sandblasted, sanded, sandpapered, scoured, scraped, scrubbedNEAR ANTONYMS:
coarsened, rough, roughened, scuffed, uneven