高分低能 [－－－－]

Jyutping gou1 fan1 dai1 nang4
Pinyin gāo fēn dī néng

Definitions (CC-CEDICT)
  1. high in score but low in ability (as a result of teaching to the test)
Definitions (Wiktionary)
  1. phrase, of a student
    high in score but low in ability