I am sorry that he should be so half-hearted about the important work.

我很遗憾，他对这项重要工作竟这样敷衍塞责。

《新英汉大辞典》

I am sorry that he should be so half-hearted about the important work.

我很遗憾，他对这项重要工作竟这样敷衍塞责。

《新英汉大辞典》