blind seas

例句：

1. 1. The sailors were sailing blind seas in the dark night.
   水手们在黑暗的夜晚中航行在盲目的大海。
2. 2. The ship sailed blind seas, unsure of its direction.
   这艘船在茫茫大海中航行，不知道方向。
3. 3. The captain had to navigate blind seas to reach his destination.
   船长不得不在盲目的大海中导航到达目的地。