白黒(しろくろ)black and white, monochrome, good and evil, right and wrong, guilt and innocence

裁判(さいばん)でどっちが悪(わる)かったか白黒(しろくろ)つけましょう。

Let's take it to court and find out in black and white who was at fault.

祖母(そぼ)から昔(むかし)の写真(しゃしん)はカラーではなく白黒(しろくろ)だったと聞(き)いた。

My grandmother told me that old photographs were not in color, but in monochrome.

現代(げんだい)の技術(ぎじゅつ)を駆使(くし)してこの白黒(しろくろ)の映像(えいぞう)をカラーにして頂(いただ)けませんか？

Could you please use modern technology to turn this black and white image into color?

彼(かれ)はほとんど表情(ひょうじょう)を変(か)えなかったものの、目(め)を白黒(しろくろ)させて気持(きも)ちを表(あらわ)していた。

Although he hardly changed his expression, his eyes looked surprised and expressed his feelings.

母(はは)は白黒(しろくろ)のチェック柄(がら)に目(め)が無(な)いのでその柄(がら)の服(ふく)を見(み)つけると必(かなら)ず買(か)ってしまいます。

My mother is a sucker for black-and-white plaid patterns, so whenever she finds an outfit with that design, she buys it.