definite [definit]

adj.

明确的；肯定的；限定的

Let's fix a definite date for the next meeting.

我们把下次聚会的确切日期定下来吧。

The doctor is quite definite about Tom having measles.

医生十分肯定汤姆得了麻疹.

近义词synonym

clear adj. 明确的；

Is that clear?

那样清楚吗？

distinct adj. 明白的;清楚的

Keep the two ideas distinct.

将这两个观念分清楚。

exact adj. 确切的;精确无误的

Could you tell me what the exact time?

你能告诉我确切的时间吗？

反义词 antonym

indefinite adj. 不明确的；不确定的

He's worried about his indefinite future .

他对他不确定的未来感到忧虑。

indistinct adj. 模糊的；不清楚的

I only have indistinct memory of her.

我对她只有模糊的印象.

obscure adj. 含糊不清的；不清楚的

The statement he made is obscure.

他做的声明不够清楚.

词性变化 word-activity

Definition n. 定义；确定

Can you make a definition of this word?

你能替这个词下个定义吗？ 

学习测试---examination

Very few people understand his lecture. The subject of his class was very  _____.

1. definite; 2. obscure; 3. indistinct; 4. exact