Li Yuan turned in his seat, startled by the sudden intrusion.

Rudley was following the arrivals, protesting against their sudden intrusion.

Sean and Janet blinked with the sudden intrusion of light.

Margaret was too distracted by the sudden intrusion in her mind to answer at first.

Dave Borland was startled by the sudden intrusion of her voice in his mind.

The regulars stirred, surprised by the sudden intrusion of daylight.

The phone on Cal's desk jangled and we both jumped at the sudden intrusion.

She closed her eyes against the sudden harsh intrusion.

The robed figure turned, as if sensing the sudden intrusion.

The author's labours were cut short by the sudden intrusion of a maidservant.