While searching the house they discovered an unlicensed shotgun and a licensed rifle.

搜查房子时，他们发现了一支没有许可证的猎枪和一支有许可证的步枪。

《柯林斯英汉双解大词典》

Police discovered a large stash of drugs while searching the house.

警方搜查这栋房子时发现里面藏有一大批毒品。

《牛津词典》

We are searching the house.

我们正在搜查这房子。

youdao

His unit was searching house to house for insurgents.

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Police will finish searching the school where he works on Tuesday and expect to spend several days searching the house.

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The agents spent the day searching the house and the workshop.

NEWYORKER: Bones of Contention