smarten-up
US /ˈsmɑːr.tən/
UK /ˈsmɑː.tən/
똑똑해지다
to (cause to) become more clean, neat, and stylish:
예시:
•
She's really smartened herself up since she finished college.
똑똑해지다
to (cause to) become more clean, neat, and stylish: