船は波

the ship ... waves

→ 船
phrase Rare #38,821
the ship ... waves This is not a complete fixed phrase by itself. 船は means “as for the ship,” and 波 means “waves”; the following particle or expression determines the full meaning.
JA: 船は波に揺られていた。
EN: The ship was tossed about by the waves.

船は波を切って進んだ

The ship cut through the waves.

船は波のなすがままになっている

The boat is at the mercy of the waves.

その船は波のなすがままに漂流していた

The ship was drifting at the mercy of the waves.