有意欺骗 meaning in English

being calculated to deceive
deliberately deceive

But the men who speak like this either do not understand what they are talking of , or intentionally deceive themselves
然而说这种话的人，他们不是不知道他们所说的那件事情，就是有意欺骗他们自己。
Forensic labs also claim that the defense regularly makes overly burdensome and duplicitous requests for reams of material
法医实验室还主张，辩方定期要求他们提供极度繁重的、有意欺骗的大量材料，他们难以负担。
I never meant to deceive you , but my spirits might often lead me wrong . how you must have hated me after that evening ?
我决不是有意欺骗你，可是我往往凭着一时的兴致，以致造成大错，从那天下午起，你一定是非常恨我。 ”