catch someone's attention
US /kætʃ ˈsʌm.wʌnz əˈten.ʃən/
UK /kætʃ ˈsʌm.wʌnz əˈten.ʃən/

1.
attirer l'attention, capter l'attention
to make someone notice you or something
:
•
He tried to wave his hand to catch her attention.
Il a essayé de faire signe de la main pour attirer son attention.
•
The bright colors of the painting immediately caught my attention.
Les couleurs vives du tableau ont immédiatement attiré mon attention.