gūlǎo
гулаo
гу1 лаo3
http://www.chinese-russian.com/zd/ci/83344
gúláo
гу2 лаo2
http://www.chinese-russian.com/zd/ci/129489
gǔlǎo
гу3 лаo3
http://www.chinese-russian.com/zd/ci/12952
gùlǎo
гу4 лаo3
http://www.chinese-russian.com/zd/ci/153997