The carefully arranged plans of all men can often fail or go wrong in their actual execution (used when such a plan of arrangement has not succeeded as one would have wished).

计划再缜密，也难保万无一失心安排的计划实行起来往往也可能失败或出差错。

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The carefully arranged plans of all men can often fail or go wrong in their actual execution (used when such a plan of arrangement has not succeeded as one would have wished).

计划再缜密，也难保万无一失心安排的计划实行起来往往也可能失败或出差错。

youdao