Correct

偏科

/ piānkē /
Strokes

Definition

to overemphasize some topic (at the expense of others)/overdoing it/to go overboard

Example

As a Verb

(of students) favour one subject over another; spend too much time with one subject at the expense of others

1
Yǒurén
有人
rènwéi
认为
xuésheng
学生
gāi
piān

Some think students shouldn't lay particular stress on certain subjects while neglecting others.