Cannot find out; unable to learn the truth about something.
得能够。没有办法知道。
《后汉书·桓谭传》盖天道性命，圣人所难言也。自子贡以下，不得而闻。”唐·韩愈《争臣论》故虽谏且议，使人不得而知焉。”
The details of the negotiation remain unknown to the public; we simply cannot obtain and know them.
Learn the next connected idiom: 不得而知 (bù dé ér zhī) → 知法犯法 (zhī fǎ fàn fǎ)
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