It took a lot of hard work on everyone's part [=done by everyone] to finish the project on time.所有的人都辛勤劳动，才使工程如期完成。

It was a good effort on the part of all the students. [=all the students made a good effort]所有的学生都很努力。

There is a lot of sympathy for the accused woman on the part of the public. [=the public feels a lot of sympathy for her]公众对这个被控告的女人深表同情。