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黑盒
hēihé
1. black box
2. fig. system whose internal structure is unknown
Uncommon • Top 25%

Character Breakdown

黑
hēi
black; dark; evil, sinister
HSK 2 12 丶
盒
hé
small box or case; casket
HSK 4 11 丶

Metadata

Category
Chinese
Word Frequency Rank
21,488 of 84,292