It sounds very challenging. I think at present, only some of the offshore islands are completely pest free.

这听起来极具挑战性。我认为目前，只有几个近海岛屿完全没有有害生物。

He'd hidden his fabulous wealth on an offshore island for tax purposes and I aimed to plunder it.

他把大批财富藏在远离岸边的海岛上，为了避税，我想就干脆抢吧。

The upshot is that, far from shielding a coastline, offshore islands can make things worse—information that should be incorporated into tsunami evacuation plans.

结果是。沿海的岛屿不会保护海岸区域不受破坏，反而会让其更糟。这在海啸救援中应当将其考虑在内。

In 1975, he led the king of Belgium on an overnight cruise just offshore the island, but other visitors from the outside world occasionally found themselves washing up on the island's beaches as well.

1975 年，他带领比利时国王在该岛近海进行了一次夜间巡游，但其他来自外部世界的游客偶尔也会发现自己被冲上了岛上的海滩。