表白是一种勇气和爱的表达，选择适当的句子可以让你的表白更加成功。以下是一些简短而甜蜜的英文句子，适合用于表达爱慕之情：

1. I love you more than anything in this world.

2. You make my heart skip a beat.

3. I can't imagine my life without you.

4. You are the missing piece in my puzzle of life.

5. You are my sunshine on a rainy day.

6. I never knew what love was until I met you.

7. You are the most beautiful thing that ever happened to me.

8. I want to spend the rest of my life making you happy.

9. You are my soulmate, my partner, and my best friend.

10. I love you more and more every day.

这些简短的句子虽然简单，但是充满了真挚的情感和爱的表达，可以让你的心上人感受到你的真心和爱意。