up to scratch - Wiktionary, the free dictionary
From Wiktionary, the free dictionary
From scratch in the sense of a starting line, as in boxing.
- (idiomatic) sufficient; adequate; of acceptable or satisfactory quality
They decided that his performance was not up to scratch.
2023 November 29, Richard Foster, “Tyne & Wear Metro goes with the flow”, in RAIL, number 997, page 32:
But the new trains form just one part of Metro Flow. It's no good having new trains if the network itself isn't up to scratch.