catch someone's eye
US /kætʃ ˈsʌm.wʌnz aɪ/
UK /kætʃ ˈsʌm.wʌnz aɪ/

1.
吸引某人的注意, 引起某人的注意
to attract someone's attention
:
•
The bright red dress immediately caught her eye.
那件鲜红的连衣裙立刻吸引了她的目光。
•
I tried to catch the waiter's eye to order more drinks.
我试图引起服务员的注意,以便点更多的饮料。