five o'clock shadow
US /ˌfaɪv əˈklɑːk ˈʃædoʊ/
UK /ˌfaɪv əˈklɑːk ˈʃædoʊ/

1.
barba delle cinque, ombra delle cinque
a slight growth of beard visible on a man's face late in the day, after he has shaved in the morning
:
•
He had a rugged charm with his prominent five o'clock shadow.
Aveva un fascino rude con la sua evidente barba delle cinque.
•
By late afternoon, he always had a noticeable five o'clock shadow.
Nel tardo pomeriggio, aveva sempre una notevole barba delle cinque.