Marriages were broken and lives ruined by the revelation of double-dealing.
骗局被揭穿后，婚姻破裂了，生活也毁了。
柯林斯例句
His double - dealing was seen through at once.
他的 两面派 行径很快就被识破了.
互联网
"she was a deceitful scheming little thing"- Israel Zangwill
"a double-dealing double agent"
"a double-faced infernal traitor and schemer"- W.M.Thackeray