To waver between two opposing sides; to be indecisive and lack firm principles, often opportunistically shifting one's stance.
在团队讨论项目方向时，他总是两边倒，一会儿支持这个方案，一会儿又觉得那个方案更好，让大家无所适从。
During team discussions on the project direction, he always wavered between two sides, first supporting one proposal, then feeling another was better, leaving everyone at a loss.
Era:
Modern
Frequency:
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