adroit

形容词 adroit:

1. skillful (or showing skill) in adapting means to ends
   同义词：clever, ingenious
2. quick or skillful or adept in action or thought

1. By a sudden and adroit movement I placed my leave eye against his fist.
   凭一下突然而又敏捷的动作，我把左眼朝他的拳头碰将过去的。