bump key

短语

词形变化

bump keys 复数 bump keys

释义与例句

n.
  1. 1.

    A lockpicking tool in the form of a key of the type generally used to open a lock, on which all pins have been cut down to the lowest position, so that striking this key sharply with a hammer while applying turning force at just the right instant after the impact will 'bump' open a lock.