critical or unpleasant remarks or judgements批评意见;非难;中伤
I wouldn't want to cast aspersions on your honesty.我可不想批评你的诚信。
Word Originlate Middle English (denoting the sprinkling of water, especially at baptism): from Latin aspersio(n-), from aspergere, from ad- ‘to’ + spargere ‘sprinkle’.