xīdài
сидай
си1 дай4
http://www.chinese-russian.com/zd/ci/42553
xídǎi
си2 дай3
http://www.chinese-russian.com/zd/ci/173164
xìdài
си4 дай4
http://www.chinese-russian.com/zd/ci/149468
http://www.chinese-russian.com/zd/ci/113360