teeter

• 一种玩具，由一块板平衡支撑在支点上构成，孩子们坐在两端轮流上下起伏。另也指跷跷板这类上下摆动的动作或状态。

A noun referring to a plaything consisting of a board balanced on a fulcrum, ridden up and down by children at either end.

1. Playground equipmentA2informal

   A long board balanced on a central pivot, used by children to ride up and down by pushing off the ground with their feet.

   跷跷板

   • The children laughed as they played on the teeter in the park.
   • She pushed off the ground to lift her friend on the teeter.
   • The old teeter in the playground needed repairs.

   同义词seesawteeter-totterteeterboard

• 动词，用来描述不稳定地移动或摇晃、像快要跌倒的样子，也可指处于危险的境地。

A verb used to describe the act of moving or balancing unsteadily, as if about to fall, or to be in a precarious situation.

1. Move unsteadilyB2formal

   To move in an unsteady or wobbling manner, often with a rocking motion.

   摇晃

   • The toddler teetered across the room before falling.
   • The old chair teetered dangerously under his weight.
   • She teetered on the edge of the cliff, trying to keep her balance.

   同义词lurchreelrockstaggerswaytotterwobble

2. Be on the verge of collapseB2formal

   To be in a precarious or unstable situation, close to failing or falling.

   处于崩溃边缘

   • The company is teetering on the brink of bankruptcy.
   • The peace talks teetered between success and failure.
   • His health teetered after the long illness.

   同义词falterflounderhang by a threadtotterwaverwobble