Chinese

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to not know; to have no idea of; to be ignorant of
to not know; to have no idea of; to be ignorant of; to wonder if
 
to advance and retreat; sense of propriety
trad. (不知進退) 不知 進退
simp. (不知进退) 不知 进退

Pronunciation

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Idiom

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不知進退

  1. to have no sense of propriety; to not know where to stop