Something that is a sham is not real or is not really what it seems to be.
例句
The government's promises were exposed as a hollow sham...實情被揭穿了:政府的承諾原來是空洞的謊言。Many of the world's leaders have already denounced this election as a sham.許多國家的領導人已經指責這次大選弄虛作假。
英漢詞典釋義
n.
假象；假情假義；偽善；偽裝
I’m a blunt straightforward man;I hate sham.我是個耿直坦率的人, 我討厭虛偽。
假貨
Are those real diamonds or only shams?那些是真鉆石還是贗品?
vt. & vi.
vi.
假裝；冒充
He shammed angry.他假裝生氣。He is not really ill, he is shamming.他不是生病, 他在裝病。
英英詞典釋義
Noun
1. something that is a counterfeit; not what it seems to be
2. a person who makes deceitful pretenses
Verb
1. make a pretence of;
"She assumed indifference, even though she was seething with anger""he feigned sleep"
2. make believe with the intent to deceive;
"He feigned that he was ill""He shammed a headache"