1 [I,T] to move backwards and forwards or from side to side while hanging from sth; to make sb/sth move in this way （使）摇摆，摆动: The rope was swinging from a branch. 绳子在树枝上晃动。She sat on the wall, swinging her legs. 她坐在墙头，晃动着双腿。

2 [I,T] to move or make sb/sth move in a curve （使）循曲线移动: The door swung open and Rudi walked in. 门打开了，鲁迪走进来。He swung the child up onto his shoulders. 他把孩子托到肩膀上。

3 [I] to move or change from one position or situation towards the opposite one （朝相反方向）变换（位置、情况、情绪等）: She swung round when she heard the door open. 她听见开门声，就转过身来。His moods swing from one extreme to the other. 他的情绪大起大落。

4 [I,T] swing (sth) (at sb/sth) to try to hit sb/sth 企图击打