spiv

noun

1. 衣冠楚楚的奸商
   a man who makes his money by being dishonest in business, especially one who dresses in a way that makes people believe he is rich and successful

1. (无固定职业而)靠诈骗过日子的人;黑市商人
   A spiv is a man who does not have a regular job and who makes money by business deals which are usually illegal.

1. Entrepreneur: an individual who takes risks to build a business; as opposed to a spiv who should not be trusted.
   企业家：冒着风险创建企业的个人；而非不可信赖、不务正业、投机取巧的骗子。
2. Don't pin your faith on his promises; he is known to be a spiv.
   不要相信他的承诺，大家都知道他是个骗子。
3. Measurement of compressor rotor tip complex flow with spiv
   用SPIV技术测量压气机转子尖区复杂流动

noun

1. a person without employment who makes money by various dubious schemes