He helpless, so a pity.

他无助时，那样令人怜惜。

youdao

It's a pity you've arrived so late in the year.

真遗憾，你这一年来得太迟了。

《柯林斯英汉双解大词典》

It's a pity that Peter's been so into Jane.

彼得如此迷恋简，真遗憾。

youdao

The smell was so strong, the bubbling so lively, a pity the stuff had no use.

NPR: Excerpt: 'Natives and Exotics'

So it was a pity that Lawrence Summers, America's deputy treasury secretary, felt obliged to complain last week that Japan was doing too little to boost its domestic demand and its imports from America.

ECONOMIST: Not this again, please

So it seems a pity that a review of the court's workings, due to open in Uganda on May 31st, will in all probability get bogged down in a destructive argument (see article).

ECONOMIST: The International Criminal Court and aggression