I have decided that Professor Trelawney is not up to scratch.

我认为特里劳妮教授不合格。

It can be hard for them to let go, especially, if their successor isn't up to scratch.

对他们来说，放手可能很难，尤其是如果他们的继任者不合格的话。

Some of this work isn’t up to scratch.

【scratch】这项工作有些没有达到标准。

She points out that comparing only creates a standard we think we need to aspire to and leads to feelings of disappointment if we aren't up to scratch.

她指出，比较只会创建一个我们认为我们需要追求的标准，如果我们达不到标准，就会导致失望。

In the UK, where people tend to be too polite to complain, they might pay the service charge despite quietly complaining that the service they received was not up to scratch!

在英国 人们趋向于太过于礼貌以至于不会去抱怨，即使默默抱怨他们收到的服务未达标，他们还是会支付小费。