Had it run afoul of an underwater rock or the wreckage of some enormous derelict ship? They were unable to say.

它是撞上了暗礁呢，还是撞上了一只沉没的破船？

Far from keeping the canal open, the Anglo-French forces were unable to prevent the Egyptians from sinking derelict ships filled with concrete into it, making it impossible to shipping, making things worse.

英法联军非但不能保持运河畅通，反而无法阻止埃及人将装满混凝土的废弃船只沉到运河里，使运河无法运输，使事情变得更糟。

Beginning in 1883, the U.S. Hydrographic Office began collecting monthly data that included navigation hazards, like derelict ships, whose locations were reported by passing vessels.

从 1883 年开始，美国水道测量办公室开始收集月度数据，其中包括航行危险，例如废弃船只，其位置由过往船只报告。

The slightest help from outside would have sufficed to have given him heart again, for the difficulty to overcome was not very great, but he was alone, like a derelict ship in the middle of the ocean.

外界稍有帮助便足以让他重新振作起来，因为克服的困难并不大，但他却孤身一人，犹如大海中的一艘弃船。