Correct 黑账 / hēi zhàng / Strokes Example As a Noun private record; secret account 1 Jì 记 hēi 黑 zhàng 账 Copy Pinyin Sentence keep a private/secret record 2 Zhā 查 gāi 该 gōng sī 公司 de 的 hēi 黑 zhàng 账 Copy Pinyin Sentence investigate into the secret account of the company