General "I am done":
* Ua pau au. (oo-ah pow ow) - This literally translates to "I am finished."
* Ua hoʻopau au. (oo-ah ho-oh-pow ow) - This literally translates to "I have finished."
* Ua pau kaʻu hana. (oo-ah pow kah-oo hah-nah) - This literally translates to "My work is done."
To express "I am done with something specific":
* Ua pau au i ka... (oo-ah pow ow ee kah...) - This literally translates to "I am done with..." You would then add the specific activity you're finished with. For example:
* Ua pau au i ka ʻai. (oo-ah pow ow ee kah ah-ee) - I am done eating.
* Ua pau au i ka hana. (oo-ah pow ow ee kah hah-nah) - I am done working.
To express "I am done with this":
* Ua pau kēia. (oo-ah pow kay-ee-ah) - This means "This is done."
To express "I am finished with something":
* Ua pau ʻia. (oo-ah pow ee-ah) - This literally translates to "It is finished."
To express "I am through" in the sense of "I am finished":
* Ua pau au i kēia. (oo-ah pow ow ee kay-ee-ah) - This means "I am done with this."
It's best to choose the phrase that best fits the situation and the specific meaning you want to convey.