Explanation: Once: the day. Something that once destroyed the hard-won Usage: Partial official; as predicate, object; with derogatory Source: Southern Song Fan Ye, "the Book Dourong Biography": "tired of the century, and once ruined." Examples: Hundred years of hard-operation Yuanmingyuan, ~, is more a matter of great Henshi Zhuixinqixue. (Gao Yang, "Qing Unofficial History" under the book)
No. 2
In: in; once: one day. All in a day's effort was destroyed. More than once that the results of long-term labor have been destroyed.
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huǐ yú yī dàn
All destroyed in a short period of time
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No. 4
Destroy the efforts of his life
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Something that once destroyed the hard-won
That once destroyed the hard-won thing. Zhai Yu Zhong, "Great General Peng back home": "I do not know these trees several hundred years long, are destroyed, too bad."
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No. 6
【解释】：于：在；一旦：一天。在一天的功夫全被毁掉。多指长期劳动的成果一下子被毁掉。
【出自】：《后汉书·窦融传》：“百年累之，一朝毁之。”
【示例】：百余年辛苦经营的圆明园，～，更是令人椎心泣血的莫大恨事。（高阳《清宫外史》下册）
【近义词】：付之东流
【反义词】：坚不可摧
【语法】：偏正式；作谓语、宾语；含贬义
毁于一旦的英文翻译:to be destroyed in one day; to be wiped out in a day