around/round the clock - all day and all night.

The police are mounting an around-the-clock guard on the embassy. (always before noun)

• shit out of
• hold on to something for dear life
• hold out
• hold out an olive branch
• hold out on
• hold out on someone
• hold out something
• hold over
• hold own
• hold promise
• hold someone at arm's length
• hold someone in check
• hold someone over
• hold someone's feet to the fire
• hold someone's hand
• hold someone to
• hold someone to ransom
• hold someone to something
• hold something against
• hold something against someone
• hold something back
• hold something in check
• hold something over
• hold sway
• hold the fort