to have (something, such as a thought or feeling) in your mind for a long time心怀（想法、感受等）
He still harbors deep feelings of resentment toward his former employer.
他依然对前任雇主深怀怨恨。
I don’t harbor any illusions about our chances for success.
我对我们的成功不抱任何幻想。
harbor a grudge
心怀怨恨
harbor doubts/bitterness
心存疑虑/怨恨