go to Davy Jones’s locker 葬身水底；溺死

【例句】
He was a fine seamen, poor fellow, but ended up in Davy Jones’s locker.
他是个非常老练的水手，可怜的家伙结果却葬身鱼腹。

The ship sank and all the gold she was carrying is now in Davy Jones’s locker.
那条船沉没了，它所载的黄金现在就藏在海底。