1、de- "from" or pejorative + cept- + -ive.
2、贬义本来就跟向下具有关联性的。
英文词源
deceptive (adj.)
1610s, from French deceptif (late 14c.), from Medieval Latin deceptivus, from decept-, past participle stem of Latin decipere (see deceive). Earlier in this sense was deceptious (c. 1600), from French deceptieux, from Medieval Latin deceptiosus, from deceptionem. Related: Deceptively; deceptiveness.
双语例句
1. Appearances can be deceptive.
外表可能是靠不住的。
来自柯林斯例句
2. His appearance was deceptive.
他的外表带有欺骗性.
来自《简明英汉词典》
3. Armed with such a precept, a number of doctors may slip into deceptive practices.
有了这样一条指导原则, 一些医生可能渐渐习惯于采取骗人的做法.
来自《简明英汉词典》
4. The apparent simplicity of his plot is deceptive.
他的故事情节貌似简单,其实不然。
来自辞典例句
5. We feel that the foregoing analysis is deceptive and dangerous.