1.
a complex problem requiring a clear head; not clear about what is expected of us.
一个需要头脑清楚的复杂问题；对希望我们如何并不明确。
2.
A lawyer needs a precise mind.
律师需要极清楚的头脑。
3.
My mind was clarified on this issue.
对这个问题我的头脑变得清楚了。
4.
You won't die of hunger.It should clear your head a little."
饿不死的，饿了可以头脑清楚点。”
5.
He is over eighty years of age, but has all his buttons on.
他八十多岁了，可头脑还是很清楚的。
6.
His mind suddenly clarified.
他头脑一下子变清楚了。
7.
She was not even sure herself how she kept the running tally in her head.
她自己也有点莫名其妙，头脑里怎么会有一本清清楚楚的流水帐。
8.
My mind was clarified and changed on this issue.
我的头脑清楚了，改变了对这个问题的看法。
9.
She had known all along he was not insane.
她心里一直很清楚，他不是一个没头脑的人。
10.
I'm still in good health and have a clear mind and a good memory.
我的身体还好，头脑还清楚，记忆力还不错。
11.
"He's really a calm cat considering what he's been through,"said Hand.
汉德医生说："这是一只头脑清醒的猫，它清楚自己所经历的一切。
12.
This is when everyone is calm and thinking clearly.
此时，每个人头脑冷静、思路清楚。
13.
(of a person or his mind, arguments,ideas,etc)not thinking clearly;not clearly expressed or thought out
（指人、人的头脑、 论点、思想等）糊涂的,表达不清楚的,思路混乱的.
14.
He had an officer's gift for leadership, and a logical, ordered mind which was surprisingly open to new ideas.
他具有军官的领导才能和清楚的头脑，出人意外地愿意接受新思想。
15.
He returned no reply, but it was evident that he heard what was said, and that he thought about it, however confusedly.
他并未回答，但显然听见了他的话，而且思考着，尽管头脑不清楚。
16.
Chances for success on an objective test will be inceased if the student goes to the examination with a clear head and a welt-rested body.
学生参加客观测验时，如果头脑清楚、精神饱满，成功的机会就增加。
17.
My head felt very clear and cold and I wanted to talk facts.
我觉得头脑很冷静清楚，我还要谈谈正经事。
18.
Second, he must always keep his mind fresh by setting aside some time for exercise.
其次，他必须拨出时间来运动以保持头脑清楚。