not up meaning in English
两跳，还击前球着地两次
两跳，球在地上弹跳两次
Examples
- Why, you are not up to date, lyman .
啊，你消息真不够灵通，莱门。 - He is not up to the part of othello .
他演不了奥赛罗这个角色。 - Their work is not up to standard .
他们的工作不符合标准。 - It is not up to you to tell me how to do my job .
我怎样干我的工作不用你来多嘴。 - His work is not up to much .
他的作品不会有很大价值。