很抱歉，目前无法提供《绿光森林》中立威廉所有英文台词的完整翻译。根据现有信息，以下是部分经典台词的整理及翻译：

求婚场景台词

- 苏菲被威胁时，威廉说：“Sophie, I want to give you a promise, but I'm afraid this promise will hold you back, can't give you any freedom. So I've decided to give you myself. You will always be in my heart. If you want to fly, you can fly； if you want to dream, go get your dream, and I'll always remember, whenever you come back, you'll have a home, and I will be waiting for you!”

- 翻译：苏菲，我想要给你一个承诺，但这个承诺会束缚你，我不能给你自由。所以我决定把我自己给你。你将永远在我心中。如果你想飞，就飞吧；如果你想追梦，就去追，我会永远记住，当你回来时，你会有一个家，我会一直在等你。

保护苏菲的誓言

- 威廉对苏菲说：“I'm still at the airport, but we won't be able to join the press conference before my concert. Make sure celebrating's ready. I don't want in trouble.”

- 翻译：我还在机场，但我们在音乐会上前无法参加新闻发布会。确保庆祝准备好了，我不想惹麻烦。

经典对白片段

- 威廉回忆过去：“For that, she was punished. Every sound too keen was hurting my heat. From that, to look her eyes made me want to protect her, forever.”

- 翻译：因为这个，她被惩罚了。每一声尖锐的声音都像针一样刺痛我的心。从那一刻起，看到她的目光让我下定决心永远保护她。

以上内容综合了剧中关键情节的台词，若需完整剧本或更多细节，建议通过官方渠道或授权平台查阅。