(I'm building on the previous commitment.)

(我在建立她前面的承诺)。

youdao

Rupert Murdoch said he expected that all of his websites would charge users for access within a year, despite his previous commitment that only some sites would experiment with such charges.

鲁伯特·默多克称，他预计要在一年内对他旗下的所有网站的使用者收费，尽管他之前曾承诺说只对一部分网站试验这种收费。

youdao

Increasing or continuing a commitment to previous decision despite mounting evidence that the decision may have been wrong.

在过去决策的基础上不断增加承诺的现象，尽管有证据表明，已经做出的决策是错误的。

youdao

At the previous conference, President Karzai pledged a commitment to improve security,governance and economic opportunities for Afghans.

VOA: standard.2010.07.20

Russian officials have said they are not going to attend the ceremony because its ambassador has a previous commitment.

CNN: China ratchets up rhetoric ahead of Nobel ceremony

Peers backed a motion by Labour's Lord Bach accusing ministers of failing to honour a previous commitment on access to help in welfare cases.

BBC: Legal aid: Government defeated in Lords

Former Labour leader Lord Kinnock was invited to the funeral, but his office said he will not be present as he had a previous commitment to attend the funeral of a former local councillor in his old south Wales constituency.

BBC: Baroness Thatcher: Lord Elis-Thomas will not pay tribute