old age, one's later years, one's last years, the time near the end of one's life

building bridges / (figuratively) intermediation; mediation; intermediary

hard flight, rough passage / difficulties, rough time

a pine tree on the seashore / Synonym of 海唐松 (umi karamatsu): a coral of the family Antipathidae / (colloquial) the green sea or dead man's fingers, Codium fragile