It is our opinion that he should resign.

我们认为他应该辞职。

《牛津词典》

There was a groundswell of opinion that he should resign.

要求他辞职的呼声越来越高。

《牛津词典》

Convention dictates that he should resign in such a situation.

依照常规，他在这种情况下应该辞职。

youdao

Ted Kennedy asked voters in Massachusetts whether he should resign from the Senate.

VOA: special.2009.09.13

Instead of running for president, the senator was asking voters in Massachusetts whether he should resign from the Senate.

VOA: standard.2009.08.26

"And so the appeal like now, ex-speaker appeal that he should resign - his business is finished in Kyrgyzstan and so all those people who have been killed and who got wounded they are victims of this regime."

VOA: standard.2010.04.08

Their candidate Mike Carr has also condemned Mr Mallon and said he should resign.

BBC: Can taxi row unseat Mayor Mallon?

"If the allegations that have been made against the president are true, he should resign, " said Sen.

CNN: Analysis: The Republicans' Three Choices

Mr. PETER WOIKE (Former Managing Director, World Bank): I think he should resign.

NPR: Wolfowitz Case Offers Test of Multilateralism