VERB
(人)步履蹣跚，踉踉蹌蹌;(物)搖搖欲墜，東倒西歪
If someone or something teeters, they shake in an unsteady way, and seem to be about to lose their balance and fall over.
例句
Hyde shifted his weight and felt himself teeter forward, beginning to overbalance...
海德轉移了一下重心，就感到自己往前傾，開始失去平衡。
He watched the cup teeter on the edge before it fell.
他眼看著茶杯在邊上搖搖欲墜，然后掉落。