不得其门而入

bù dé qí mén ér rù

Definitions

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

no; not so

to enter

his

to obtain

structural particle: used after a verb (or adjective as main verb), linking it to following phrase indicating effect, degree, possibility etc

to have to

and

must not

gate