a strait between SW Sweden and Zealand (Denmark), linking the Kattegat with the Baltic: busy shipping lane; spanned by a bridge in 2000. Length of the strait: 113 km (70 miles). Narrowest point: 5km (3 miles)
the water that separates the island of Mull from the mainland of Scotland
sound the death knell
to be likely to cause the end or failure of an activity or organization
to sound the death knell
If you say that something sounds the death knell for a particular person or thing, you mean it will cause that person or thing to fail , end, or cease to exist .
empty vessels make the most sound
said to mean that people who talk a lot about their knowledge, talent or experience are often not as knowledgeable , talented or experienced as they claim to be
to raise the alarm to sound the alarm
If you raise the alarm or sound the alarm , you warn people of danger .