shí​nián​hán​chuāng

to study hard for many years (idiom)

Senses

十年寒窗 shí​nián​hán​chuāng to study hard for many years (idiom)

To study diligently for a long time despite hardship; typically refers to many years of dedicated, lonely study in preparation for exams

References

variant 十年寒窗/十年寒窗 十载寒窗/十載寒窗
variant 十年寒窗/十年寒窗 十年窗下/十年窗下