tour de forcetʊəʳ də fɔːʳs tur də fɔrs ˈtʊə də ˈfɔːs ˌtʊr də ˈfɔrs
(also tour-de-force)Word forms: plural tours de force
N-COUNT [usually singular]精彩演出;精心杰作;绝活 If you call something such as a performance, speech, or production a tour de force, you are emphasizing that it is extremely good or extremely well done or made. 精彩演出;精心杰作;绝活 [emphasis]
Stevenson's deeply felt performance is a tour-de-force.