sway
verb uk/sweɪ/ us/sweɪ/
(MOVE)
[ I ]摇摆，摆动
to move slowly from side to side
The trees were swaying in the wind. 树在风中摇曳。
The movement of the ship caused the mast to sway from side to side/back and forth. 桅杆随着船的行驶左右／前后摇摆。
A drunk was standing in the middle of the street, swaying uncertainly and trying hard to stay upright. 一个醉汉摇摇晃晃地站在街道中间，努力想要站直身子。
[ T ]使移动，使改变
to cause something to move or change
Recent developments have swayed the balance of power in the region. 最近的发展使这个地区的实力均势发生了改变。
(PERSUADE)
[ T ]说服，使动摇
to persuade someone to believe or do one thing rather than another
Her speech failed to sway her colleagues into supporting the plan. 她的演说没能说服她的同事们支持这个计划。
sway
noun [ U ] formal uk/sweɪ/ us/sweɪ/
控制，统治；影响
control or influence
In the 1980s, the organization came under the sway of (= became strongly influenced by) Christian fundamentalism. 在20世纪80年代，这个组织深受基督教原教旨主义的影响。
Her parents no longer seem to have much sway over her. 她的父母似乎再也管不了她了。
The party could hold sway (= have an important influence) on some crucial votes. 该党可对一些关键选票施加重要影响。