To express a strong determination to reclaim what has been lost or taken, often referring to one's rightful possessions, territory, or heritage.
经过多年的努力，老教授终于决心要还我河山，让被篡改的史料重见天日，恢复历史的本来面貌。
After years of effort, the old professor finally resolved to reclaim what was rightfully theirs, bringing the falsified historical records to light and restoring the true face of history.
Era:
Ancient
Frequency:
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