legerdemain

1. When working with rational numbers, it helps to perform a bit of numerical legerdemain: namely that of finding a common denominator to make certain operations easier.
   在处理有理数时，采取一点数值技巧将会有所帮助：也就是说，找到公分母，使某些操作变得更容易。
2. Very apparent, because he is right my understanding is insufficient still, because this still is in a data to collect level, because legerdemain is too bad, can be, was discovered very quickly by me.
   很显然，因为他对我的了解还不够，因此还处于资料收集阶段，可是因为骗术太糟糕，很快就被我发现了。
3. He made a fortune through financial legerdemain.
   他通过一些资本运作“戏法”发了大财。
4. She was not in the front drawer, not in the back one either, not in the house itself nowhere to be seen or heard that was her feat of legerdemain, her entertainment.
   她在抽屉前，也不在后面一个，更不在房子的任何地方，被看见或听见-那是她的厉害的骗术，她的娱乐。
5. Face recognition system will be affected largely by the variations of the light, pose, emotional expression, toilette, legerdemain of images and so on.
   光照条件变化、人脸姿态变化、人脸表情、化妆、照片欺诈等都会对可见光人脸识别系统造成很大的影响。

noun

1. an illusory feat

   Synonym:    magic trickconjuring tricktrickmagicconjurationthaumaturgyillusiondeception