Actually, I do need to change the time of my appointment.

事实上，我确实需要改一下预约时间。

youdao

Because of something unexpected, I wonder if I can change my appointment from Tuesday to Friday.

由于想不到的原因，我不知道是否可以把约会时间由星期二改到星期五。

youdao

I have to change my appointment because of the postponement of the board meeting.

因为董事会推迟召开，我只好变更约会时间。

youdao

The minister also called for consideration of a change to the legislation which currently allows for the appointment of a former policeman to the ombudsman's job.

BBC: Justice Committee

Although respected personally, small island states that feel threatened by climate change are understood to have resisted the appointment of someone from the BASIC bloc of countries (Brazil, China, India and South Africa), which argued against swingeing carbon curbs at December's UN summit in Copenhagen.

BBC: UN picks new climate change chief

It has been a struggle to alter that: Bolivia's political elite fought hard against the loss of their direct influence on the judicial system, and in-fighting over the appointment of judges to the Supreme Court had threatened to mar the change.

ECONOMIST: Bolivia