形容词
2. I am afraid I won't be able to visit you on Saturday. 恐怕我无法在星期六来拜访您了。
3.
3. He is an able lawyer. 他是一位能干的律师。
4. He made a very able speech. 他做了一篇精彩的演说。
5. able
5. I shall be able to come tomorrow. 明天我能来。