21.   The area is called the Skeleton Coast because its treacherous waters have claimed many ships.

22.   Vietnam has not been hit hard by the regional crisis, he said, comparing the country to a small ship heading into treacherous waters.

23.   While their uncle prepared for a carefree day at the beach, three cousins waded into the surf and were dragged into treacherous waters by strong currents.

24.   They share the treacherous waters of Pool A with two of the favourites, Australia and South Africa, neither of whom are noted for their quality of mercy.