The name means "pretty" and "light/hope".
The name is spelt 주희 in Korean.
주 is pronounced "Joo"
희 is pronounced "Hee"
Often the name is written Joo Hee in English.
(Notice the capital letters in names)
However, it is often written Joohee.
희 = Hee
주희 = Joo Hee
Also written Joohee