Learner's definition of STEAD
in someone's/something's stead
formal
: in the place of someone or something代替某人（或某事物） -
She conducted the meeting in his stead.她替他主持会议。
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One empire died, and another arose in its stead.一个帝国灭亡，另一个取而代之。
stand someone/something in good stead
formal
: to be useful or helpful to someone or something对…有用；对…有利