他提供的消息完全不可信。

He's totally unreliable as a source of information.

《牛津词典》

我认为他浅薄、虚荣、不可信。

I think he is shallow, vain and untrustworthy.

《柯林斯英汉双解大词典》

他是才华横溢的作家，自己的书信集和回忆录却不可信，因为他从孩提时代就向母亲撒谎，从来没有改掉这个毛病。

He was a brilliant writer yet his letters and his memoirs cannot be trusted because he started to tell lies to his mother at a young age and never stopped doing so.

youdao