qián​jiàn

crucial point

qián​jiàn crucial point · hinge; key

  1. latch
    (archaic) the latch of a door; a metal pin used to lock a wheel on an axle
  2. door bolt
    (literary) metal pin or bolt used to secure a door latch

qián​jiàn strategy

  1. to restrain
    (literary) to restrain, keep under control, or suppress
  2. jiàn nounadjective
    key part
    (bound form) most important part of something; crucial point