Tell me how come I keep forgettin' that?

告诉我为什么我老是忘记它？

Not as I'm a-dictatin' to you, sir; I'm not forgettin' myself so far as to be wise above my betters.

不像我在对你发号施令，先生；我不会忘记自己比别人聪明。

When they had left the shop, he said, " Hagrid, what's Quidditch? " " Blimey, Harry, I keep forgettin' how little yeh know -- not knowin' about Quidditch! " " Don't make me feel worse, " said Harry.

当他们走出店铺时，哈利问：“海格，什么是魁地奇? ”“哎呀，我的天哪，哈利，我忘记你知道得太少了，竟然连魁地奇都不知道。” “劳驾，别让我的情绪变得更坏好不好。”