lián lǐ
two trees that grow together as one
fig. conjugal union
Dà lián Lǐ gōng Dà xué
Dalian University of Technology
zài tiān yuàn zuò bǐ yì niǎo , zài dì yuàn zuò lián lǐ zhī
In the sky to be two birds flying wing to wing, on earth to be two trees with branches intertwined
wishing for conjugal bliss
xǐ jié lián lǐ
to tie the knot (idiom)
to get married