白忙活了
All my efforts have been in vain
以上为机器翻译结果，长、整句建议使用 人工翻译 。
他白忙活了半天，最后也没买到鞋。
He was busy for nothing and finally didn't get the shoes.
youdao
挽救频临崩溃的银行业，无异于往浴缸里倒水，而且还是个漏浴缸(塞子没塞上)往里面倒的水要是还不抵流出去的多，那还真是一片枉然，纯属白忙活了。
RESCUING Banks can be like filling a bath with the plug out. It won't work if water flows out faster than it pours in.
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