1. The boat was becalmed in the middle of the ocean, unable to make any progress.
这艘船在海洋中被无风困住，无法继续前行。

2. The sailors were frustrated as they were becalmed for days, unable to continue their journey.
水手们感到沮丧，因为他们连续几天都陷入了无风状态，无法继续航行。