xǐdàn
сидань
си3 дань4
http://www.chinese-russian.com/zd/ci/15604
xìdān
си4 дань1
http://www.chinese-russian.com/zd/ci/149444
xìdàn
си4 дань4
http://www.chinese-russian.com/zd/ci/149478
http://www.chinese-russian.com/zd/ci/51309