当你想要向暗恋的人表白时，以下是一些英文表达，你可以根据自己的感觉选择适合的句子：
1. "Look into my eyes - you will see what you mean to me."
2. "My eyes are the stars over your window, gazing affectionately at you every night."
3. "From the first time I saw you, I decided that you were the one I would marry in this life."
4. "I love you not for who you are, but for who I am before you."
5. "The worst way to miss someone is to be sitting right beside them knowing you can't have them."
6. "I want to grow old with you together."
7. "You can't see, it doesn't mean I don't exist."
8. "My secret is your name."
9. "I have unconditionally surrendered to you, you sign the love contract, otherwise no one wants me!"
10. "I like you, but you don't know."
记得，表白时要保持真诚和自信，同时也要尊重对方的感受。祝你好运!