flip flop

• n.
  • a decision to reverse an earlier decision

    同义词： reversal change of mind flip-flop turnabout turnaround

  • a backless sandal held to the foot by a thong between the big toe and the second toe

    同义词： flip-flop thong

  • an electronic circuit that can assume either of two stable states

    同义词： flip-flop

  • a backward somersault

    同义词： flip-flop

• v. reverse (a direction, attitude, or course of action)

  同义词： interchange tack switch alternate flip flip-flop

以上来源于: WordNet