《哈利波特与阿兹卡班的囚徒》中活点地图的召唤英文是？

我庄严宣誓我没干好事
I solemnly swear that I am up to no good

恶作剧完毕
Mischief managed

中文是：我发誓我会用这搞怪
英文是；I solemnly swear that I am up to no good

I solemnly swear that I am up to no good,这个，

I swear I will use this Book