To create a huge commotion or stir; to cause a great disturbance; to have immense power or momentum (literally, to overturn rivers and stir up seas). It can also describe making a complete mess of things.
孩子们在游乐场里玩得可真叫翻江搅海，到处都是他们的笑声和奔跑的身影。
The children were really causing a huge commotion at the playground, with their laughter and running figures everywhere.
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