voice of the sea
海の声って?
What do you mean by “the sound of the sea”?
— 海の上のピアニスト (1998)
船からじゃ海の声は聞こえない
You can’t hear the sea’s voice from a boat.
海の声だよ
It's the sound of the sea.
“海の声を聞いた”と
“I heard the voice of the sea,”
海の声だ