好多孩子边喊边使劲敲比利家的门。

Many children were smiting on Billy's door more loudly while calling him.

youdao

如果把金属盖抬起再使劲往下敲，他想是否能让警察明白他的困境。

If he raised the metal lid and banged it down hard, he wondered, would he perhaps be able to make the police understand his predicament?

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