kāiqǐ
кайци
кай1 ци3
http://www.chinese-russian.com/zd/ci/86786
kāiqì
кай1 ци4
http://www.chinese-russian.com/zd/ci/86905
kǎiqí
кай3 ци2
http://www.chinese-russian.com/zd/ci/62123