This is the 3672nd most frequent Chinese word.
老去
To grow old; aging.
In this sentence, 老去 directly describes the natural process of aging over time.
岁月流逝,我们都在慢慢老去。
As time passes, we are all gradually aging.
Here, 老去 metaphorically represents the hastened aging effect on one's mental state caused by stress.
由于压力过大,他的精神似乎过早地老去。
Due to excessive stress, his spirit seems to have prematurely aged.
In this instance, 老去 symbolizes the inevitable passage of life leading to physical and mental maturity.