o-level meaning in English

级的

Sec 4 o - level
中四o水准：
The result obtained , being grade d or below , does not qualify for recognition as a gce o - level pass
表示所得成绩（即d级或以下者）未获承认为相当于英国普通教育文凭试的普通程?及格。
Then , if they do badly in chinese for o - level examinations , they will have difficulty getting into good junior colleges
到了中四会考时,如华文成绩差,也难以进入较好的初院,这将会影响他们升学的前途。
Results attained at grade c or above are recognized as the equivalent of an o - level pass in a british gce overseas examination
表示该科成绩达c级或以上获承认为相当于英国普通教育文凭海外考试（ gce ）的普通程?及格。