rework

1. V-T If you rework something such as an idea or a piece of writing, you reorganize it and make changes to it in order to improve it or bring it up to date. 修改; 重写

See if you can rework your schedule and come up with practical ways to reduce the number of hours you're on call. 看看你能否修改你的时间表，想出切实可行的方法来减少你待命的时间。