Complex sentence: It is the way for their beloved ones to show their filial piety (孝 xiào) and reluctance to let go of the deceased.Before funeral, the deceased's family has to guard the corpse on shifts.
Split into simpler sentences: It is the way for their beloved ones to show their filial piety (孝 xiào) and reluctance to let go of the deceased. Before the funeral, the deceased's family guards the corpse on shifts.