诡计多端

詭計多端
guǐjìduōduān
  1. deceitful in many ways (idiom); wily and mischievous
  2. full of craft and cunning

CEDICT

to have many crafty plots

Wiktionary

有各式各样狡猾阴险的坏主意。《三国演义．第一一七回》：「维诡计多端，诈取雍州。」也作「诡变多端」。

重編國語辭典

有各式各样狡猾阴险的计谋

維基詞典

Entry Composition

1 诡计 guǐjì
  1. trick
  2. ruse
  3. crafty scheme
2 多端 duōduān
  1. multifarious
  2. multifold
  3. many and varied
  4. multiport
  5. multistation
  6. multiterminal