lǎo​huà HSK7

age

老化 lǎo​huà
age verb
to grow older or experience physical deterioration (referring to people, populations, or materials)

This kind of plastic ages easily when exposed to sunlight.

become outdated verb
to become obsolete, old-fashioned, or no longer relevant (referring to knowledge, ideas, or systems)

If you don't keep learning, your knowledge will soon become outdated.

Frequency

Movie subtitles
1.61 per million appears in 1% of films
Written text
8.81 per million

Details

HSK 3.0
Level 7

Sources

Definitions
CC-CEDICT