Translation of "Unravel" in Japanese

In the hope that it would all unravel.

彼は氷山の一角に過ぎなかったのです

The sleeves of the sweater began to unravel.

セーターの袖がほぐれ始めた。

I had a whole world of hate I wanted to unravel

世界中の憎しみの原因を究明し

- Who shall ever unravel the mysteries of the sea?
- Who is able to reveal the mysteries of the sea?

海の秘密を解きほぐすことは誰にできるだろうか。