不得其门而入 不得其門而入

    bùdéqíménérrù

    1. Idiomto be unable to get into (a house, an organization, a field of study, a particular type of career etc)

    他对编程很感兴趣,但一直不得其门而入。Tā duì biānchéng hěn gǎnxìngqù, dàn yīzhí bùdéqímén'érrù.He shows a lot of interest in programming but has struggled to break in.