clear
单词辨析：
指声音足够大，可以被听到的。
His voice was so feeble that it was hardly audible.
他的声音微弱得叫人难以听见。
There was an audible sigh of relief.
听得出来松了一口气。
普通用词，指声音、信号等听起来很清晰的。
He has a clear speaking voice.
他说话清晰。
The sound is as clear as a bell.
声音很清晰。
The radio reception isn't very clear.
收音机的接收效果不太好。
指声音、变化等虽然微小，但仍可被注意到的。
The noise was barely perceptible to the human ear.
人的耳朵几乎是察觉不到那种噪音的。
The change is small but perceptible.
变化很小，却是可察觉的。
指因提供某种服务或从事某种劳动或工作而获得报酬。
He earned plenty of money last year.
去年他赚了很多钱。
I used to earn money by mowing lawns.
我以前靠修剪草坪赚钱。
Their television work must have earned them good money.
他们的电视作品一定让他们赚了不少钱。
指扣税后赚取收益。
He clears 50,000 dollars a year.
他每年的净收入是5万美元。
These goods can clear 100,000 yuan.
这些货物可以净赚10万元。
普通用词，可指以任何方式挣钱，在日常用语中可与 earn 换用。
The new manager gets/earns 500,000 yuan a year.
新经理年薪50万元。
She gets/earns $3 an hour for stacking shelves.
她整理货架一小时挣3美元。
与 earn 基本同义，常可换用。
You need to think of ways to make/earn money.
你需要想办法挣钱。
Cooper made/earned a fortune on the stock market.
库珀炒股发了大财。
指容易理解或显而易见的，无需说明和论证。
The obvious problem is water pollution.
显而易见的问题是水污染。
It was obvious that Tom was lying.
汤姆显然在说谎。
词义同 obvious，但通常作表语。
It is apparent that she is in no condition to travel.
她的健康状况显然不宜旅行。
Her love for the child was apparent.
她对这孩子的爱是显而易见的。
For no apparent reason, she left suddenly.
不知什么原因，她突然离开了
普通用词，指清晰易懂、确定无疑的。
It was a clear case of sexual discrimination.
这是一个很明显的性别歧视的例子。
She won by a clear majority.
她以明显的多数获胜。
It is a clear case of corruption.
这很明显是一起贪污案。
There is clear evidence putting her at the scene of the crime.
有她在犯罪现场的明显证据。
指一目了然的或浅显易懂的。
This is a manifest error of judgment.
这是明显的判断错误。
They were unaware of some unrecognised cases of manifest injustice.
他们没有发觉一些被忽略了的明显不公平的现象。
相关例句：
To clear the land and harvest the bananas they decided they needed a male workforce
为了清理那片地和收割香蕉，他们决定雇请男劳力。
The rabbis try to steer clear of political questions.
拉比们努力避开政治问题。
The space telescope has taken the clearest pictures ever of Pluto
太空望远镜拍摄到了迄今为止最清晰的冥王星的照片。
Sotomayor, the Cuban holder of the world high jump record, cleared 2.36 metres.
古巴的世界跳高纪录保持者索托马约尔跳过了2.36米。
Keegan's team are now seven points clear of West Ham
基冈率领的球队现在领先西汉姆联队7分。
The Audit Commission said that the ministry was in the clear.
审计署称该政府部门没有问题。