s. very unpleasant
a. 可怕的
1. The weather was dreadful during our vacation.
我们度假期间的天气非常糟糕。
2. She had a dreadful experience at the haunted house.
她在鬼屋里经历了一次可怕的经历。
3. The movie was so dreadful that I fell asleep.
这部电影太糟糕了,我都睡着了。