1
- (of a photograph, film, television programme, or illustration) in black, white, shades of grey, and no other colour（照片、胶卷、电视节目或插图）黑白的：
old black-and-white movies.
老的黑白电影。
1.1
- (of a television) displaying images in black, white, and shades of grey（电视）黑白的。
2
- (of a situation or debate) involving clearly defined opposing principles or issues（形势或争论）是非分明的, 正反明确的, 黑白分明的：
it was all grey areas; no black-and-white certainties.
那全是灰色地带; 根本不分是非曲直。
- US informal a police car〈美, 非正式〉警车。
短语
in black and white
1
- in writing or in print (regarded as more reliable, credible, or formal than speech)白纸黑字的, 书面的, 非口头的：
she had abandoned all hope of getting her contract down in black and white.
她对以书面形式把合同确定下来已不抱任何希望了。
2
- in terms of clearly defined opposing principles or issues非对即错, 非好即坏：
children think in black and white, good and bad.
孩子们认为一切不是黑就是白, 不是好就是坏。