英汉词典

1. 空白的；空的
    Something that is blank has nothing on it.

blank的解释

    e.g. We could put some of the pictures over on that blank wall over there...
           我们可以把一些图画贴在那边的空白墙壁上。
    e.g. He tore a blank page from his notebook.
           他从他的笔记本上撕下一页空白纸。

2. 空白处；空格
    A blank is a space which is left in a piece of writing or on a printed form for you to fill in particular information.

    e.g. Put a word in each blank to complete the sentence.
           每个空格填上一个单词，把句子补充完整。

3. 茫然的；漠然的；毫无表情的
    If you look blank, your face shows no feeling, understanding, or interest.

    e.g. Abbot looked blank. 'I don't quite follow, sir.'...
           阿博特一脸茫然。“我没听明白，先生。”
    e.g. His daughter gave him a blank look.
           他女儿漠然地看了他一眼。