求翻译：兹证明敖成昊，男，生于1998年7月30日，自2010年9月至今在我校就读。现为我校初二年级学生，该生在校期间学习成绩优异，表现突出。是什么意思？

This is to certify Aocheng Hao, male, born July 30, 1998, from September 2010 so far in my school to study. Is now the beginning of my school sophomore, the student during the school academic excellence, outstanding performance.

THIS IS TO CERTIFY that ao Sung-ho, male, born in 1998, since 30 July September 2010 so far in my school. Now I am teaching 2 students during the academic year, the students learn, academically outstanding performance.

This certificate haughty Cheng Hao, male, had been born in July 30, 1998, from September, 2010 until now in my school study.Presently for my school second day the grade student, should live in the school period academic record is outstanding, the performance is prominent.

We hereby certify that the Ao Chenghao, male, born on July 30, 1998, has since September 2010 in my school. Now for my second day of the school year students, the student while in school learning achieved excellent, outstanding.

This is to certify Aocheng Hao, male, born July 30, 1998, from September 2010 so far in my school to study. Is now the beginning of my school sophomore, the student during the school academic excellence, outstanding performance.