He will announce tonight that he is resigning from office.

他今晚将宣布他要辞职。

《柯林斯英汉双解大词典》

The Foreign Office said he had come of his own free will and had told officials he was resigning his post.

外事办公室表示，库萨的到来是出于个人意愿，他已经辞去外长职务。

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Why is it that Japanese PMs only last up to one year in office before resigning?

为什么日本首相将近一年就辞职？

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For this reason, I am resigning from the office of Governor.

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He was forced to become the first U.S. president ever to quit office, resigning to avoid inevitable impeachment.

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An estimated 150, 000 people packed into St Peter's Square on Wednesday to hear Benedict, resigning after seven years in office.

BBC: Benedict XVI leaves Vatican on final day as Pope