亀甲竹: tortoise shell bamboo (Phyllostachys edulis)

蓮根: lotus root / 漣痕: ripple mark

starting afresh

make a fresh start

晩婚: late marriage / 盤根: intertwined roots

Kyūjitai form of 破壊 (destruction; demolition)

Kyūjitai form of 今晩: (time) this evening, tonight

混入: to mix one thing into another, typically in an undesirable way; to mingle, to become mixed, to get mixed, typically in an undesirable way

混入: the act of mixing; the state of being mixed; a mixing or mingling of two or more things, typically in an undesirable way

婚約者: fiancé or fiancée