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

1.
引起注意, 吸引目光
to make someone notice you or something
:
•
He tried to wave his hand to catch her attention.
他試圖揮手引起她的注意。
•
The bright colors of the painting immediately caught my attention.
這幅畫鮮豔的色彩立刻吸引了我的注意。