靠欺诈手段;以虚假的借口
If you do something under false pretences, you lie about who you are, what you are doing, or what you intend to do, in order to get something.
He was deported for entering the country under false pretences. 他因以虚假身份入境而被驱逐出境。
If you're not going to offer me a job, then you've brought me here under false pretences (= you have deceived me in order to make me come here). 如果你不打算给我一份工作，那么你就是把我骗到这儿来的。
I'm afraid I'm here under false pretences. I said I was representing a client, but that's not true.
I got into the building under false pretences, but I didn't have any choice.
They kept him locked up for years under false pretences.
See also: false (NOT TRUE)