"Able" 是一个英语形容词,主要用来描述某人或某物具有执行某项任务或具备某种能力的状态。它的基本含义是“有才能的”,“有能力的”,“胜任的”。这个词在许多语境中都有广泛的应用,可以用来描述各种程度的能力,从基本的技能到高度的专业技能。

**用法例句**

1. **基本用法**

   - She is able to swim across the river.(她能游过这条河。)

   - The new software is able to process large amounts of data quickly.(这款新软件能快速处理大量数据。)

2. **与动词不定式连用**

   - He is not able to attend the meeting due to illness.(他因病无法参加会议。)

   - The child is able to read and write at an early age.(这孩子很小就能读写了。)

3. **与“to be”连用**

   - You should be able to solve this problem on your own.(你应该能自己解决这个问题。)

   - They are not able to be present at the ceremony.(他们不能出席这个仪式。)

4. **与“enough”连用**

   - He's able enough to handle the situation.(他有足够的能力处理这种情况。)

   - The car is not able enough to reach the top of the mountain.(这辆车没有足够的能力到达山顶。)

5. **否定形式**

   - I'm not able to lift this heavy box.(我搬不动这个重箱子。)

   - They're not able to complete the project within the given time frame.(他们在规定的时间内无法完成这个项目。)

**同义词辨析**

1. **Capable**: 与"Able"相似,表示具有做某事的能力,但"Capable"往往强调内在的潜力,而"Able"更侧重于实际的行动或表现。例如:

   - She is capable of great kindness.(她有极大的善良之心。)

   - He is able to solve complex problems.(他能解决复杂的问题。)

2. **Competent**: 强调达到标准或胜任某项工作,通常用于职业或技术能力的描述。例如:

   - He is a competent surgeon.(他是个称职的外科医生。)

   - She is competent in four languages.(她能流利使用四种语言。)

3. **Skilled**: 强调通过训练或经验获得的专门技能。例如:

   - He is a skilled carpenter with years of experience.(他是个经验丰富的木匠。)

   - She has developed skilled fingers from playing the piano for so long.(她弹钢琴多年,手指非常熟练。)

4. **Efficient**: 更倾向于描述完成任务的速度和效果,强调做事高效。例如:

   - This new machine is very efficient, it can do the job in half the time.(这台新机器效率很高,能在一半时间内完成工作。)

   - She works efficiently, always finishing tasks ahead of schedule.(她工作效率高,总是提前完成任务。)