YOU SAID:

Of course, I have my doubts that we'll live long enough to greet them...

INTO JAPANESE

もちろん、彼らを迎えるまで私たちが長生きできるかどうかは疑問ですが…。

BACK INTO ENGLISH

Of course, I doubt we will live long enough to welcome them.

INTO JAPANESE

もちろん、彼らを歓迎できるほど私たちが長生きできるとは思えません。

BACK INTO ENGLISH

Of course, I doubt we will live long enough to welcome them.