pretences
A pretence is an action or way of behaving that is intended to make people believe something that is not true.
He goes to the library and makes a pretence of reading some Thoreau.
他去图书馆假装读梭罗的书。
On the eighth day of questioning, she dropped the pretence that she was Japanese.
在审问的第8天,她不再假装她是日本人。
false pretences
If you do something under false pretences, you do it when people do not know the truth about you and your intentions.
This interview was conducted under false pretences.
这次采访是以欺骗手段进行的。