good as a play—said of smth. very entertaining or intensely amusing:
- Are they not as good as a play, trying their hand at legislation?
good as gold—
1. (of a child) well behaved; not giving trouble:
- As soon as a few were bumped off by way of example, all the others became as good as gold.
2. (of a pledge, etc.) faithful; reliable:
- When one of our representatives makes a commitment, you can rest assured that his promise is as good as gold.
3. quite perfect in quality:
- The chip, which can be implanted in products, is good as gold. They use it to track the flow of goods from supplier to store shelf.