Rearrange the words

你第一句句子That fish is the most beautiful in the aquarium.是對的，因為你之前已交代了它是魚(that fish)，所以後面也不需再提。如：He is the oldest among us，也省略提他是oldest man。但你也可以，將這句改成：That is the most beautiful fish in the aquarium.
the producer's words to the song writer were inspiring.這句的意思是，出品人對寫歌的人的說話，真是啟發靈感（或激勵人心）。（如何譯，也要看前文後理）
press flowers就是將花製成被壓扁的乾花

第2句OK,

第一句應該係
That is the most beautiful fish in the aquarium.

Press Flowers = Pressed Flowers?
Pressed Flowers 係花既標本, 做乾花bookmark o個d??

That fish is the most beautiful ONE in the aquarium.