B2 in secret, or with only one or two other people present私下地,秘密地
More examples
I'd prefer it if we could speak privately.
Though he had tried to be enthusiastic about the plans, privately he felt more sceptical.
by a person or company and not by the government私立地;私營地;民間地
👨🏻🏫 Mr. Ng 劍橋詞典 📚
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