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Swing，Wave， Flourish，Brandish，Thrash
挥动。
🚩swing是“有规律地来回或者前后、左右摆动”，柯林斯解释为If something swings or if you swing it, it moves repeatedly backwards and forwards or from side to side from a fixed point.。
如：
The sail of the little boat swung crazily from one side to the other.小船的帆猛烈地左右摇摆着。
She was swinging a bottle of wine by its neck.她正握着瓶颈摇晃一瓶葡萄酒。
🚩wave是“没有节奏规律地起伏波动，暗含的意思是有特定目的或企图，挥舞”，柯林斯解释为If you wave something, you hold it up and move it rapidly from side to side.。它也可以指“物体的轻轻飘动，摆动，起伏”，柯林斯解释为If something waves, it moves gently from side to side or up and down.。
如：
Hospital staff were outside to welcome him, waving flags and applauding.医院的工作人员都在外面一边挥动旗子一边鼓掌欢迎他。
grass and flowers waving in the wind随风摇曳的花草
🚩flourish是指“挥动手中的东西引起注意，暗含的目的是夸耀、胜利、或者虚张声势的恐吓”，柯林斯解释为If you flourish an object, you wave it about in a way that makes people notice it.。
如：
He flourished the glass to emphasize the point.他挥动手中的杯子来强调这一点。
🚩brandish是指“带有恐吓、威胁得挥舞，尤其是指挥舞着武器”，柯林斯解释为If you brandish something, especially a weapon, you hold it in a threatening way.。
如：
He appeared in the lounge brandishing a knife.他挥舞着一把小刀，出现在休息室里。
🚩thrash是指“猛烈摆动，翻来覆去，剧烈扭动四肢”，柯林斯解释为If someone thrashes about, or thrashes their arms or legs about, they move in a wild or violent way, often hitting against something. You can also say that someone's arms or legs thrash about.。
如：
Many of the crew died a terrible death as they thrashed about in shark-infested waters.很多船员在鲨鱼成群的水域中拼命挣扎，死状惨不忍睹。
dreams so vivid that I thrash inside my sleeping bag and cry out梦境太逼真了，我在睡袋里翻来滚去，喊出了声。
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