To be willing to sacrifice oneself for someone who truly understands, appreciates, and supports them; to pledge ultimate loyalty to a benefactor.
这位年轻的员工深受老板器重，他常说自己要士为知己者死，决心为公司的发展竭尽所能。
This young employee, deeply valued by his boss, often says he wants to embody the spirit of '士为知己者死', determined to do his utmost for the company's development.
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