His efforts to improve the situation are to be applauded.

他为改善状况所作的努力应该受到赞许。

The management is doing its best to improve the situation.

管理层正在尽全力改善局面。

People have been waiting impatiently for a chance to improve the situation.

人们一直在不耐地等待着改善这一状况的机会。