汉语有十级，国外也有英语十六级！想必能达到英语十六级的人一定英语水平超级腻害吧！国内英语没有十级，专业英语八级是最厉害的。
Buffalo buffalo Buffalo buffalo buffalo buffalo Buffalo buffalo.
Police police Police police police police Police police.
Can-can can-can can can can can can-can.
看懂了吗？！那就再来几句吧！
James, while John had had had had had had had had had had had a better effect on the teacher.
I want to put a hyphen between the words Fish and And and And and Chips in my Fish-And-Chips sign.
Wouldn't the above sentence have been clearer if quotation marks had been placed before Fish, and between Fish and and, and and and And, and And and and, and and and And, and And and and, and and and Chips, as well as after Chips?
还看得懂？那么继续！
The above sentence is much easier to read because the writer placed commas between and and & and and and And, & and and and And & and And and and, & and And and and & and and and And, & and and and And & and And and and, & and And and and & and and and...
英语水平等级划分大体难度排名：专业英语八级＞专业英语四级＞大学英语六级＞大学英语四级＞成人英语三级＞大学英语三级＞大学英语二级。
中国大陆
1.大学英语考试（CET）：
大学英语四级考试（CET-4）、大学英语六级考试（CET-6）；
2.专业英语考试：
高等学校英语专业考试（TEM）、英语专业四级考试（TEM-4）、英语专业八级考试（TEM-8）；
3.全国英语等级考试(PETS)：
PETS1~5
中国台湾
全民英语能力分级检定测验（GEPT）
英国
1.国际英语测试系统（IELTS，International English Language Testing System，雅思）
2.剑桥英文认证（Cambridge Main Suit）
3.剑桥商务英语（Cambridge Business English Certificate）
美国
1.托福（TOEFL）
2.机考托福（CBT；逐渐废除）
3.网考托福（iBT）
4.托业（TOEIC，商用英文考试）
5英语口语水平测试（TSE）
