evident: implies the presence of visible signs which point to a definite conclusion: an ~ fondness for the company of friends.


manifest: implies an external display so evident that little or no inference is required: her ~ joy upon receiving the award.


patent: applies to a cause, effect or significant feature that is clear and unmistakable once attention has been drawn to it: ~ defects in the item when sold.


distinct: implies such sharpness of outline or definition that no unusual effort to see or hear or comprehend is required: my offer met with a ~ refusal.


obvious: implies such ease in discovering or accounting for that it often suggests conspicuousness in the thing or little need for perspicacity in the observer: the motives are ~ to all but the most obtuse.


apparent: may imply conscious exercise of elaborate reasoning as well as inference from evidence: the absurdity of the charge is ~ to all who know him.   注意inference只有一个r


plain: not explained.   韦氏同义词典列出了plain，但遗漏解释，plain常表示没有装饰或隐藏很明白，如plaintext明文是ciphertext密文反义词，plain clothes便衣，plain English/language表示语言浅显易懂


clear: implies an absence of anything that confuses the mind or obscures the issues: it's ~ now what's been going on.

evident: manifest: patent: distinct: obvious: apparent: plain: clear:

记忆方法: 1）首字母EMPDOAPC重组成OPEC DAMP欧佩克减弱<==明显的趋势         欧佩克是石油输出国组织Organization of the Petroleum Exporting Countries的首字母简称     damp潮湿，做动词表示减弱to make less strong or active，如nothing could damp our spirits没有什么能减弱我们的精神力量  


最通用的是clear， evidence强调存在迹象，manifest和apparent一个强调不需要一个需要推理，patent只要注意就不会看错，distinct:锐利的轮廓不难听见看见，obvious容易发现解释，

         2）明显的意思是容易感知领会mean readily perceived or apprehended.      perceive感知觉察，强调观察的同时感悟理解   apprehend逮捕、理解、领会