Definition
To consistently fulfill one's responsibilities or obligations, especially when facing challenges or difficulties.
尽力胜任，克服困难
In this project, everyone needs to keep their end up to ensure its success.
在这个项目中，每个人都需尽力以确保其成功。
Despite some members of the team not cooperating, she still managed to keep her end up and get her part done.
尽管团队中有些成员不合作，她仍然尽力完成了自己的部分。
Even when the work became incredibly difficult, we had to keep our end up and ensure we didn’t let anyone down.
即使工作变得非常困难，我们也必须尽力，确保不让任何人失望。