1·She has practised upon my credulity with huge success.
她利用了我的轻信大获成功。
2·They traded on his credulity.
他们利用了他的轻信。
3·He has practised on my credulity.
他利用了我的轻信。
4·By factor analysis, we get five factors: physical abnormality, behavioral excess, depression, sensitivity and phobia, and credulity.
通过因素分析得到了五个因素：生理异常、行为过度、抑郁、敏感恐惧、轻信。
5·This is life on the success of the three traps: the effect, credulity and greed. Friends, do you remember?
这就是人生成功路上的三大陷阱：大意，轻信，贪婪。朋友，你记住了吗？