| More than half of Mandela's sentence was spent on Robben Island, a windswept rock surrounded by the treacherous seas of the Cape of Good Hope. |
| Most of my interaction with the islanders was made treacherous by currents of wariness. |
| The arctic conditions that swept across the country left the streets treacherous, especially my home street. |
| Scientists believe it ran aground on the estuary's treacherous sandbanks and capsized with 50 or 60 hands on deck. |
| The ship wallowed through waves up to 30 feet high in the treacherous Drake's Passage. |
| Does the Australian public believe that these people undertake these treacherous journeys for a lark? |
