tour de force / tʊə də fɔːs/ (toursdeforce)

• 1.  

  N-COUNT（可数名词） 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. 杰作 [usu sing] [强调]

  例：

  Stevenson's deeply felt performance is a tour-de-force.

  斯蒂文斯感人至深的表演真是一个杰作。