sī​xià HSK7

in private

Senses

私下 sī​xià (also sī​xià​lǐ) in private

in secret; in private; behind closed doors

私下 sī​xià privately

done privately or unofficially without involving the public or relevant authorities

References

variant 私下/私下 私下里/私下裡
synonym 暗地/暗地 私下/私下
synonym 暗地里/暗地裡 私下/私下
synonym 背人/背人 私下/私下