Is "Let's not depart yet" a possible translation?
Seems reasonable to me. I think it is less frequently used in this way though.
added
Don't let's leave yet - is a perfectly good colloquial equivalent
It's a bit dated and/or regional, but sure, can't say it's wrong.
https://books.google.com/ngrams/graph?content=let%27s+not%2Cdon%27t+let%27s&year_start=1800&year_end=2019&corpus=26&smoothing=3&direct_url=t1%3B%2Clet%20%27s%20not%3B%2Cc0%3B.t1%3B%2Cdo%20not%20let%20%27s%3B%2Cc0
I can’t help my age ;)
