1. 摇晃;摇摆;摆动
    When people or things sway, they lean or swing slowly from one side to the other.

    e.g. The people swayed back and forth with arms linked...
           人们手挽手，前后摇晃着。
    e.g. The whole boat swayed and tipped.
           整条船摇晃后翻倒了。

2. 影响;左右
    If you are swayed by someone or something, you are influenced by them.

    e.g. Don't ever be swayed by fashion.
           永远不要受潮流的影响。
    e.g. ...last minute efforts by the main political parties to sway the voters in tomorrow's local elections.
           主要政党为说服选民在明天的地方选举中投自己一票而作出的最后努力

3. 占统治地位;具有重大影响力
    If someone or something holds sway, they have great power or influence over a particular place or activity.

sway的解释

    e.g. South of the Usk, a completely different approach seems to hold sway...
           阿斯克以南盛行的似乎是一种完全不同的方式。
    e.g. The 'families' are the basic units, each holding sway over a recognised territory.
           “家庭”是基本单位，每一个家庭都控制着自己受人认可的领地。

4. 在…的控制下;在…的支配下;在…的影响下
    If you are under the sway of someone or something, they have great influence over you.

    e.g. How mothers keep daughters under their sway is the subject of the next five sections.
           在接下来的 5 节将探讨母亲怎样管教女儿。