说句实话,我很少欠别人什么人情, 但是这次我欠你的, 真的不知道什么时候才能还清.

To be honest, I seldom receive others’ favor, but this time I really owe you a lot and do not know when I can pay you back.

youdao

“我想我另外欠你一个解释，哈利”，邓不多尔犹豫的说，“你可能想过为什么我没有任命你为级长？

I feel I owe you another explanation, Harry, ' said Dumbledore hesitantly. 'You may, perhaps, have wondered why I never chose you as a prefect?

youdao