这3个名词均含有“欺骗”之意。
deceit : 指歪曲实情，惯于说谎或蓄意欺骗。
- The story is about theft, fraud, and deceit on an incredible scale.
小说描述了令人难以置信的盗窃、行骗和欺诈行为。 - When the newspapers published the full story, all his earlier deceits were revealed.
报纸报道事情全部经过之后，他以前的所有欺骗行径也就暴露无遗了。
deception : 语气较弱，一般用词，侧重于具体的骗人行为。但有时并无欺骗行为，只是玩弄把戏，故弄玄虚而已。
- He was found guilty of obtaining money by deception.
他骗取钱财的罪名被判成立。 - a drama full of lies and deception
充满谎言和欺骗的一出戏 - The whole episode had been a cruel deception.
整个经历都是残酷的骗局。 - He believes many 'psychics' are frauds who rely on perception and subtle deception.
他认为许多“通灵者”都是骗子，他们都是靠直觉和巧妙的骗术蒙人。
fraud : 一般用于犯罪行为的欺骗，通常指政治或经济活动中的舞弊行为。
- She was charged with credit card fraud.
她被控告信用卡欺骗罪。 - property that has been obtained by fraud
欺诈所得的财产 - a $100 million fraud
1亿元数额的诈骗罪
