Move unsteadily, rocking or wobbling

• Tilt back and forth on an edge or base
• Stand or walk with a tottering balance

不稳地摇晃或摆动

• 在边缘上来回倾斜
• 站立或行走不稳

Hesitate or be indecisive

• Waver between options or choices

犹豫不决

• 在选项之间摇摆不定

Be close to a dangerous or bad state

• Be on the brink of collapse, failure, or disaster

濒临危险或不利的局面

• 处于崩溃、失败或灾难的边缘

A seesaw; a teeter-totter

跷跷板