key to the kingdom

短语

词形变化

keys to the kingdom 复数

释义与例句

n.
  1. 1.

    Alternative form of keys to the kingdom (in which the variant of the metaphor involves a single key).

    A: Thanks for the tips about running this saw. That tip about the blade shimming was a lifesafer. B: Yeah, buddy, that's the key to the kingdom right there.