You will never learn to swim properly while you throw legs and arms about .
你这样手脚乱蹬是决不会把游泳学好的。
You'll never learn to swim properly while you'll throw your legs and arms about so wildly.
你这样猛烈地划动腿和臂，永远不会把游泳学好。
You'll never learn to swim properly while you'll throw your legs and arms about so wildly.
你这样猛烈地划动腿和臂，永远不会把游泳学好。
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