sham

US /ʃæm/
UK /ʃæm/
1.

giả tạo

something that is not what it seems to be and is intended to deceive people, or someone who pretends to be something they are not:

:
It turned out that he wasn't a real doctor at all - he was just a sham.
1.

giả tạo

to pretend:

:
He isn't really upset - he's just shamming.
1.

giả tạo

only pretending to be real; false:

:
They made a fortune through some sham property deal.