名词

1. (通常指蒙蔽别人的)花招，计谋，诡计
A stratagem is a plan that is intended to achieve a particular effect, often by deceiving people.

1. a maneuver in a game or conversation

Synonym: ploygambit

2. an elaborate or deceitful scheme contrived to deceive or evade

e.g. his testimony was just a contrivance to throw us off the track

Synonym: contrivancedodge