尽管他们付出了英勇的努力，还是没能拯救那座历史建筑免于拆除。

Despite their ___heroic attempt, they were unable to save the historic building from demolition.

为了努力减少浪费，她说服了整个办公室的人都改用可重复使用的容器。

Making a ___heroic effort to reduce waste, she convinced her entire office to switch to reusable containers.

医护人员在整个危机期间的英勇奉献得到了整个社区的认可。

The medical staff's ___heroic dedication throughout the crisis was recognized by the entire community.