buck up
US /bʌk ʌp/
UK /bʌk ʌp/

1.
ceria, menggembirakan
to cheer up or to make someone feel more cheerful
:
•
Come on, buck up! Things aren't that bad.
Ayuh, ceria! Keadaan tidaklah seburuk itu.
•
She tried to buck up her friend after the bad news.
Dia cuba menggembirakan rakannya selepas berita buruk itu.