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》

More than a two thirds majority is needed to declare a winner, in this case, 77 votes.

而获得超过多数的三分之二票才会被宣读成为胜者，目前的情况下是77票。

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A two thirds majority in parliamentary procedure requires at least two thirds of the entire membership (as two thirds of those present and voting) vote in favor.

议会议事规则中的三分之二多数是指全体出席及有投票权的代表中的三分之二均投赞成票。

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

To pass,the treaty needed a two-thirds majority -- fifty-six votes.

VOA: special.2010.07.22

His South West Africa People's Organization, which has governed Namibia since independence nearly 20 years ago,is expected to win a two-thirds majority in parliament.

VOA: standard.2009.11.27

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

BBC: Beneath the skin of the Leveson law

Californians also voted to let their state legislature pass budgets with a simple majority, instead of a two-thirds majority, while keeping a two-thirds requirement for any tax increase.

ECONOMIST: Ballot initiatives

Among its nine initiatives, California offered a proposition that could reduce government gridlock by lowering the minimum needed for the legislature to approve a state budget, making it a simple majority instead of a two-thirds majority.

CNN: Variety of proposals on ballots in 37 states