門前

プログレッシブ和英中辞典(第4版)

もんぜん【門前】

門前に before [in front of] a gate

門前（に）市を成す

have many visitors; be prosperous

あの店は門前市をなす盛況だ
That store is 「doing a flourishing business [prospering].

門前の小僧習わぬ経を読む

learn something 「by watching [without being taught]

門前払い

彼に門前払いを食わされた
He shut [slammed] the door in my face.／He turned me away from his door.／He refused to see me.

門前町

a town [city] built originally in front of a temple [shrine]

出典　小学館「プログレッシブ和英中辞典(第4版)」