1.(cause to move unsteadily)+ person, object使晃动；使摇摆
2.to teeter on the brink or to teeter on the edge
(of a high place)处于不稳定的位置
He watched the cup teeter on the edge before it fell.他看着杯子掉落之前在边上摇摇晃晃。
+of ruin, civil war, disaster, hysteria面临危险
British theatre is teetering on the brink of ruin.英国戏剧界就要给毁了。
The hotels are teetering on the brink of bankruptcy.这些旅馆正濒临破产。
His voice teetered on the edge of hysteria.他的声音近乎歇斯底里。