I have to say in her defence that she knew nothing about it beforehand.

我得为她说句话，她事先并不知道此事。

《牛津词典》

A good case can be made out in her defence.

可以提出充分的论据来为她辩护。

youdao

He volunteered to appear in court in her defence.

他自告奋勇地要为她出庭辩护。

youdao

She avoids demonising Pushkin's beautiful, but shallow wife, Natalya, although there is not much to be said in her defence.

ECONOMIST: Russian writers

Giving evidence in her defence, she said Mr Ege had been violent towards her right from the start of their marriage.

BBC: Yaseen Ali Ege

Newsreader Stuart, who attended the ceremony, was recently sidelined by the BBC, prompting a number of high-profile figures including Sir Trevor McDonald and former BBC newsreader Michael Buerk to speak out in her defence.

BBC: NEWS | Entertainment | Classic FM tops Sony Radio Awards