somebody can be forgiven for thinking/believing/feeling etc somethingUNDERSTANDused to say that it is easy to understand why someone might think or do something 某人有某种想法/信念/感受是可以理解的 You could be forgiven for thinking football is a religion here. 说足球在这里是种宗教也不为过。
→ somebody can be forgiven for thinking/believing/feeling etc something at forgive(2)