长时间等待

I waited a long time for him to return.

等待的目的

He replied that he did it in order to give me a better life, and also, he asked me to wait for him to come back and marry me.

等待的承诺

We will wait for him until he comes back.

等待的坚定

I won't leave until you come back.

等待的情感

I'll be right here waiting for you.

这些文案涵盖了不同的情感和场景，可以根据具体需求选择合适的表达。