look forward to 意思是期待，盼望。to是介词，后面接名词或者动名词，意思和expect to do sth 一样。例如：

1. I look forward to being alone in the house.
   我盼望能自己一人在这所房子。

2. We look forward to the return of spring.
   我们期待着春天的到来。

3. I look forward to hearing from you in the near future.
   我盼望着不久收到你的信。

4. We look forward to your comments on the above-mentioned proposal.
   对上述建议，希望听取贵方的意见。

5. They look forward to their rebirth as a nation.
   他们期待着全民族的新生。

6. We look forward to your reture on an early day.
   我们盼望你早日归队。

7. We look forward to seeing you again.
   我们期待着与你再次相见。