up to scratch
成語所屬單字scratch
up to scratch — 慣用語
1. reaching the required standard or level of quality that is expected
1.慣用語
釋義
達到標準；符合要求
reaching the required standard or level of quality that is expected
例句
The hotel room was clean, but the service was not up to scratch for a five-star hotel.
Kofi practised for weeks to bring his piano playing up to scratch before the recital.