guardarsi alle spalle

watch your back; look over your shoulder

→ guardare
phrase Rare #47,049
watch your back; look over your shoulder Can be used literally or figuratively, often to suggest staying alert to danger or someone following you.
IT: Quando vado in giro mi guardo alle spalle per vedere se qualcuno mi segue.
EN: When I’m out and about, I watch my back to see if anyone is following me.