To be faithful or loyal to one person or cause throughout one's life; traditionally, it specifically referred to a woman's unwavering devotion to her husband, even after his death.
他对自己的信念从一而终，即便面对重重考验，也从未动摇过。
He remained faithful to his beliefs until the end, never wavering even when facing numerous trials.
Era:
Ancient
Frequency:
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