门door

• 门户紧闭。

  The door is tightly shut.

• 门户开放政策

  open door policy

必经要地gateway

家庭household

• 兄弟分居，自立门户。

  The brothers live apart, each with his own family.

派别；学派faction; school

• 各立门户。

  Each establishes their own school.

• 各守门户。

  Each adheres to their own school.

参见：门第[méndì]

• 门户相当。

  They are well matched in terms of family backgrounds.