1. She was very formal at first, but then she unbent little and told a joke. 她起先显得很正经，但后来变得随和些，还讲了个笑话。
2. She was very formal at first, but then she unbent a little and told a joke. 她起先显得很正经， 但后来变得随和些， 还讲了个笑话。
3. After the landslide has gone by, in its tracks little dainty flowers are still standing. Blades of grass are unbent. How is this possible? 在山体滑坡之后，美丽的花朵依旧挺立在石块冲刷过的山坡上，小草也没有被低下头来，是什么让这些植物还能生存下来呢？
