1. Harry gave a hollow laugh.
哈利干笑了一声。
hollow a.空的;凹陷的;虚伪的;沉闷的
This tree looks high and strong but actually its trunk is hollow.
这棵树看起来又高又壮,实际上树干是空的。
His protests on human rights sound hollow.
他就人权问题提出的抗议听来很空洞。
2. looke around 游览;到处察看;到处寻找
Then I looked around: there were no tourists.
然后我朝四周看了看,没有游客。
The policeman looked around him, and a look of surprise came over his face.
这个警察朝他的周围看了看,脸上露出惊讶的表情。