péng​zhàng HSK7

expand

膨胀 (膨脹) péng​zhàng
expand verb
to increase in physical volume or size, typically due to heat or pressure

Gas expands when heated.

inflate verb
to swell or increase excessively in abstract terms such as economy, population, or ego

After achieving a little success, his ego began to swell.

Frequency

Movie subtitles
3.01 per million appears in 1% of films
Written text
10.8 per million

Details

HSK 3.0
Level 7

Sources

Definitions
CC-CEDICT