lie like a rug
撒謊，講假話
口語·厚顏撒謊
英文釋義
to lie or deceive someone convincingly and without remorse
例句
He said he was at home all night, but he lies like a rug—I saw him at the bar.
典故來源
源自地毯平整覆蓋地面的形象，比喻謊言鋪天蓋地、毫無破綻。