Aguai

It is composed of two syllables: "A" and "Guai".

Spelling	a
Closest English pronunciation	/ɑ:/
Hint	As the a in English "art".
Chinese Pinyin	ā á ǎ à
Common characters in names	阿

Spelling	guai
Closest English pronunciation	/gʊaɪ/
Hint	"give" + "put" + "eye", or "give" + "why".
Chinese Pinyin	guāi guái guǎi guài
Common characters in names	乖