sway verb
1 from side to side/backwards and forwards
ADV. gently, lightly, a little, slightly | alarmingly, dangerously, precariously The stage swayed alarmingly under their weight. | dizzily, drunkenly, unsteadily | back and forth, backwards and forwards, from side to side The cow's udder swayed from side to side as she walked along.
VERB + SWAY begin to
PREP. in The curtains swayed gently in the breeze.
2 influence sb/sth
ADV. easily He will not easily be swayed by argument.
You can also check other dicts: sway (English, 中文解释 ), wordnet sense, Collins Definition