What is the difference between Odaijini and Ki o tsukete?
This is in reference to someone leaving or going somewhere and you want to say "take care" in Japanese.
Thank you.

Question

Answer

When someone isn't feeling well,
you say Odaijini.
When someone leaving or going somewhere,
you say Ki o tsukete.
;)

Answer

Simply put, odaijini is "get well soon" (used when someone is sick) and kiwotsukete is "take care" or "be careful" (common parting words).