dolus       
noun [ U ]  law specialized uk/ˈdɒl.əs/ us/ˈdɑː.ləs/
 欺骗(的行为或说法)
a trick or false statement that has the intention of deceiving someone
  This is, in practice, considered as equivalent to dolus or fraud itself. 实际上,这种行为被认为等同于欺骗或欺诈。 
 Synonym: fraud