Usage patterns
美を追求するto pursue beauty
The painter continued to pursue beauty his whole life.
美を保つto maintain (one's) beauty
She has maintained her beauty even as she's gotten older.
美を競うto compete in beauty
In the contest, representatives from each country compete for beauty.
美の基準a standard of beauty
Standards of beauty change with the times.
Expressions
有終の美perfect end; crowning achievement; triumphant finish 美人は三日で飽きるbeauty is only skin-deep; one gets tired of a beauty in three days