a blessing and a curse

短语

塞翁失马，焉知非福

词形变化

not attested 复数

释义与例句

n.
  1. 1.

    Something that is simultaneously a benefit and a burden, or that may seem initially beneficial but also brings unforeseen negative consequences.

    塞翁失马，焉知非福

    焉知非福

    既是好事，也是坏事

    也是坏事

词源

From the King James translation of Deuteronomy 11:26 (Behold, I set before you this day, a blessing and a curse.).

来源：wiktionary