a hidden meaning的用法和样例：
- His words had a hidden meaning.
- And in Amaranth's case, its name (a mythical flower that never fades) may have held a hidden meaning.
- My home town lies low in a hidden valley.
- A hidden hate cropped out in her words.
- The ship struck a hidden reef and went dawn with all hands.
- read letters out of order to discover a hidden meaning.