кому-либо что-либо обеспечено(вариант требует замены конструкции: Greg may think he has a lock on the promotion, but I'm determined to prove him wrong.)
встретиться взглядом(with someone // As she came closer, she locked eyes with him (=gazed into each other's eyes). // Her burgundy eyes locked on mine as she stepped forward to meet me halfway. 4uzhoj)