v.摇摆；摇摇欲坠；犹豫不决；上下往复的运动
n.翘翘板
She was teetering around in very high-heeled shoes. 她穿著高跟鞋摇摇晃晃地四处走。
The drunken man teetered on the edge of the pavement. 那醉汉在人行道边上东倒西歪的。
While watching a goat teeter on a tree limb, he said he had leukaemia. 他将目光投向一只踩在大树枝上摇摇欲坠的山羊，说，他患了白血病。
