n. 戏法, 骗术, 诡辩

[ noun ]
an illusory feat; considered magical by naive observers
<noun.act>

Legerdemain \Leg`er*de*main"\ (l[e^]j`[~e]r*d[-e]*m[=a]n"), n.
[F. l['e]ger light, nimble + de of + main hand, L. manus. See
3d {Leger}, and {Manual}.]
Sleight of hand; a trick of sleight of hand; hence, any
artful deception or trick.

He of legierdemayne the mysteries did know. --Spenser.

The tricks and legerdemain by which men impose upon
their own souls. --South.