Alan staggered sideways, pitched head-first over the low wall and fell into the lake.
艾伦两侧摇晃着，一头栽过矮墙，掉进湖里。
《柯林斯英汉双解大词典》
2
There was a crack: a branch over Petunia's head had fallen. Lily screamed: the branch caught Petunia on the shoulder and she staggered backwards and burst into tears.
Pausing only to employ a few of Uncle Vernon's choicest swear words, he staggered back into the kitchen, clutching his head and staring out of the window into the back garden.