Achai

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

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	chai
Closest English pronunciation	/tʃaɪ/
Hint	"check" + "eye".
Chinese Pinyin	chāi chái chǎi chài
Common characters in names	柴 钗