/sweɪ/
to move slowly back and forth摇摆；摆动
branches swaying in the breeze
在微风中摇曳的枝条
He swayed a moment before he fainted.
他晃了一下就晕过去了。
(literary) power or influence over sb 统治；势力；支配；控制；影响
Rebel forces hold sway over much of the island.
该岛很大一部分控制在叛军手里。
He was quick to exploit those who fell under his sway.
他毫不犹豫地利用受他控制的那些人