bring (someone/something) up to scratch
British & Australian
(not) be up to scratch - to not be of an acceptable standard or quality.
If you practise hard on this piece you should be able to bring it up to scratch by next week.
英语词组固定搭配大全包含18674条英汉双解词组,基本涵盖了全部常用英文词组、短语的翻译及用法,是英语学习的有利工具。