Still everything was empty and quiet when she had gone, and the children hardly knew how to pass their time.

她走后，一切依然空寂无声，孩子们几乎不知道怎样打发时间。

youdao

This was such a great breach of etiquette, he hardly knew what to do.

这是一起规矩的严重违反，他几乎不知所措了。

《柯林斯英汉双解大词典》

The poor fellow hardly knew what he was about.

这个可怜的家伙几乎不知道自己在哪里。

youdao

By the afternoon more neighbors had arrived, people we hardly knew, and by nightfall the place was packed with silent mourners.

NEWYORKER: Naima

They said that colleges must spend equal sums on men's and women's sports, even though women athletes hardly knew what to do with all the money.

ECONOMIST: He believes in government, so why doesn��t America?

Saints hardly knew what had hit them in the opening quarter, conceding the first of six tries inside the opening set of six, while a kick-off by Foster hit the crossbar to bounce "dead".

BBC: Warrington 35-28 St Helens