I wouldn't want to cast aspersions on your honesty.

我可不想批评你的诚信。

《牛津词典》

I don't permit to cast aspersions on my friend.

我不许你诽谤我的朋友。

youdao

I do not wish to cast aspersions on your honesty.

我不想污蔑你的诚实。使生效，施法。

youdao

Politics is often unkind: the Tories have sometimes cast aspersions on Mr Brown's mental health, for example.

ECONOMIST: Bagehot

Mr Breuer had cast aspersions on the creditworthiness of Mr Kirch a client, albeit a heavily indebted one.

ECONOMIST: There is no quick way out of the quagmire for Germany's banks

One leaflet that circulated even tried to cast aspersions on McCain's five years as a prisoner-of-war in Vietnam.

NPR: McCain Wins South Carolina's Kingmaking Contest