He has been gunning for her since the day he arrived, he wants her job.
If someone is gunning for you, they are trying to find a way to harm you or cause you trouble. You knew that they were gunning for you, but did you ever imagine that it would be as bad as this?
(birinin) çanına ot tıkamak için fırsat kollamak
Silbentrennung
(bi·ri·nin) ca·nı·na ot tı·ka·mak i·çin fır·sat kol·la·mak