词典释义：
(of a surface or background)unrelieved by decorative or other features; bare, empty, or plain
（表面，背景）无装饰的；空白的
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a blank wall 空白的墙壁
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the screen went blank. 屏幕变成一片空白。
not written or printed
未写字的，未印刷的
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a blank sheet of paper. 一张空白纸。
(of a document)with spaces left for a signature or details
（文件）留有空白处的
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blank tax-return forms. 空白纳税申报单。
(of a tape)with nothing recorded on it
（磁带）没有录制的，空白的
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blank cassettes. 空白盒式磁带。
showing incomprehension or no reaction
茫然的，呆滞的
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we were met by blank looks. 我们看到的是茫然的表情。
having temporarily no knowledge or understanding
一时懵懂的，大脑一时空白的
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her mind went blank. 她一时什么都记不起来。
lacking incident or result
无活动的，单调的，无结果的
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those blank moments aboard airplanes. 在飞机上的那些沉闷的时刻。
[attrib.]complete; absolute (used emphatically with negative force)
十足的，绝顶的
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he was met with a blank refusal to discuss the issue. 他提出讨论一下这个问题，但遭到断然拒绝。
used euphemistically in place of an adjective regarded as obscene, profane, or abusive
[用 作委婉语,替代淫秽、亵渎或辱骂的形容词]
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show the miserable blank-blank Englishman how to fight this war. 教那个一天到晚绷着脸的英国可怜虫怎样打这场战争。
a space left to be filled in a document
（文件中待填写的）空白处
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leave blanks to type in the appropriate names. 留下空白以便打上适当的名称。
a document with blank spaces to be filled
空白文件，空白表格。
(亦作
（用作打靶训练或发信号的）空包弹。
an empty space or period of time, especially in terms of a lack of knowledge or understanding
（尤指对情况的了解或理解上的）空白
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my mind was a total blank. 我什么都不知道。
an object which has no mark or design on it, in particular
未加工的物件，尤指：
a roughly cut metal or wooden block intended for further shaping or finishing
（金属或木头的）坯件，坯料。
a domino with one or both halves blank
空白的多米诺骨牌。
a plain metal disc from which a coin is made by stamping a design on it
（待压印图案的）硬币坯料。
a dash written instead of an word or letter, especially instead of an obscenity or profanity
（用来代替淫秽或亵渎词语的）代字破折号。
used euphemistically in place of a noun regarded as obscene, profane, or abusive
［用 作委婉语，替代淫秽、亵渎或辱骂的名词］ 。
cover up, obscure, or cause to appear blank or empty
掩盖；使模糊不清；使显得空白
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electronic countermeasures blanked out the radar signals. 电子对抗手段消隐了雷达信号。
[no obj.]become blank or empty
成为空白，变得模糊不清
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the picture blanked out. 图像变得模糊不清。
cut (a metal blank)
切割（金属坯件）。
〈北美〉 （体育比赛中以对手得零分的成绩）战胜（对手）
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Baltimore blanked Toronto in a 7-0 victory. 巴尔的摩队以７比０的成绩完胜多伦多队。
〈英，非正式〉 故意不理睬，故意忽视
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I just blanked them and walked out. 我故意不理他们，走出去了。
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be firing blanks humorous （of a man） be infertile 〈幽默〉 （男性）无生育能力 -
draw a blank elicit no successful response; fail 得不到想得到的回应（或信息）；失败the search drew a blank. 搜寻失败了
"Middle English （in the sense ‘white, colourless’）： from Old French
