圆谎

圆谎	yuán huǎng	to patch up one's lie (when inconsistencies appear) / to cover (for sb who has lied)
圆	yuán	circle / round / circular / spherical / (of the moon) full / unit of Chinese currency (yuan) / tactful / to make consistent and whole (the narrative of a dream or a lie)
谎	huǎng	lies / to lie