Formal:
* Tutaonana baadaye: This literally translates to "We will see each other later" and is the most formal way to say it.
Informal:
* Baadaye: This simply means "later" and is commonly used with friends and family.
* Tunaonana: This means "We'll see each other" and is a more informal way to say "see later".
Other options:
* Kwaheri: This means "goodbye" but can also be used to mean "see you later".
* Mpaka kesho: This means "until tomorrow" and is used if you'll see each other tomorrow.
The best way to choose the right phrase depends on the situation and your relationship with the person you're speaking to.