PHRASE
以虚假的借口；以欺骗的手段
If you do something under false pretences, you do it when people do not know the truth about you and your intentions.
例句
I could not go on living with a man who had married me under false pretences...
我再也不能和一个靠谎言骗我结婚的男人继续生活下去了。
Conrad had been imprisoned for a year for gaining money by false pretences.
康拉德因为诈骗钱财已经坐了一年的牢。