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Definitions2 characters
chi3 su4
(literary) a one-foot-long piece of white silk, used for writing in ancient times; (as a metonym) letter; written message
Usage•••frequent
Pronunciations

As word

1
chi3
(literary) a one-foot-long piece of white silk, used for writing in ancient times; (as a metonym) letter; written message
2
su4
(literary) a one-foot-long piece of white silk, used for writing in ancient times; (as a metonym) letter; written message