But for you to grieve over how you look is not necessary.

但是，你感到悲痛你怎么看待是没有必要的。

youdao

Do not look back grieve over the past, for it is gone;

不必感伤过去，因为已经过去；

youdao

Obviously we can't bring back your friends that were lost, and I know that each and every one of you not only grieve for them, but have also over the last 10 years dealt with their family, their children, trying to give them comfort, trying to give them support.

WHITEHOUSE: President Obama Meets with Firefighters in New York