A two thirds majority is needed to make changes.

需要2/3的多数人同意才能做改变。

《柯林斯英汉双解大词典》

When he did not get the two-thirds majority he needed he announced his departure, even before the meeting had ended.

当柯菲德没有得到他想要的三分之二多数时，他，甚至在会议还未结束时，便宣布了辞职的消息。

youdao

The Republicans failed to get the two-thirds majority they needed to rush the bill through in time for Mr Bush's visit.

众院共和党人未能获得在布什先生访问前仓促推动该法案过关所需的三分之二多数议员的支持。

youdao

No future president would be safe, they said, if opposed by a majority of the House and two-thirds of the Senate.

VOA: special.2010.01.28

But he did not have the two-thirds majority needed to win the nomination.

VOA: special.2009.07.09

The radicals could not get the two-thirds majority they needed.

VOA: special.2010.01.28

This royal charter will only be changed with a two thirds majority of MPs and peers.

BBC: Beneath the skin of the Leveson law

At a previous meeting in 2010, similar restrictions fell just short of the required-two thirds majority.

BBC: Shark kills number 100 million annually, research says

Even though the vote was 92 to 42 in favour, it barely reached the two thirds majority needed to become part of Cites regulations.

BBC: Cites meeting votes to protect Oceanic whitetip shark