in broad daylight
US /ɪn brɔd ˈdaɪt.laɪt/
UK /ɪn brɔd ˈdaɪt.laɪt/

1.
em plena luz do dia, abertamente
during the day, when it is easy to see what is happening, often used to express surprise or shock that something illegal or inappropriate occurred openly
:
•
The robbery happened in broad daylight, right on the main street.
O assalto aconteceu em plena luz do dia, bem na rua principal.
•
I can't believe they were arguing so loudly in broad daylight.
Não consigo acreditar que eles estavam discutindo tão alto em plena luz do dia.