sīqíng
сыцин
сы1 цин2
http://www.chinese-russian.com/zd/ci/110602
sìqīng
сы4 цин1
http://www.chinese-russian.com/zd/ci/16249
http://www.chinese-russian.com/zd/ci/165955
http://www.chinese-russian.com/zd/ci/84288