The phrase "narrow strait" refers to a small, tight passage of water between two larger bodies of land. It is a narrow and often dangerous waterway where ships and boats need to navigate carefully. Full definition
Your audience, of course, is that narrowing strait of employers and / or academic committees empowered to consider you a candidate valid enough to grant interviews resulting in employment or entry into an institution of higher learning. (njresumeservice.com)
It's normal, Schramm said, for gray whales to wander into the bay, but humpbacks generally feed farther offshore and are not accustomed to navigating shallow water and narrow straits like those in San Francisco Bay. (sfgate.com)
Tehran and Washington have often clashed over the narrow strait, through which nearly a third of all oil traded by sea passes. (businessinsider.com)