annual tree ring; growth ring
Refers to the concentric rings visible in a cross-section of a tree trunk, each representing one year of growth.
Counting the tree rings on this tree reveals it is over a hundred years old.
年輪の幅は、その年の気候を反映している。
The width of a growth ring reflects the climate of that year.
life experience; accumulated wisdom
Figurative use, likening a person's accumulated experience and maturity to the rings of a tree. Often used in literary or reflective contexts.
彼の顔には、長年の苦労が年輪のように刻まれている。
Years of hardship are etched into his face like tree rings.
人生の年輪を重ねるごとに、考え方も変わってくる。
As one accumulates life experience, one's way of thinking also changes.
This tree has a hundred years' worth of growth rings etched into it.
I counted the growth rings on the stump to find out the tree's age.
He is a business leader who has accumulated many years of experience.