To understand and accept one's destiny or fate, and thus be free from worries; to be content with one's lot.
爷爷虽然一生经历了不少风雨，但他知命不忧，总是保持着乐观的心态。
Although Grandpa experienced many hardships in his life, he understood and accepted his destiny, always maintaining an optimistic attitude.
Era:
Ancient
Frequency:
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