bump up 增加，提高（数量或尺寸）。如I could bump you up to first-class您可以升级到头等舱。
补充bump n. [ C ] (INCREASE)增加。

【例句】
The distributors will probably bump up the price of the software when the next version is released.
该软件的下一版本发行时，经销商很可能要提价。

There had been a bump in the number of students with learning disorders.
有学习障碍的学生数量增加了。