The area a bishop looks after is called a diocese. Diocesan is the word that means “of that area” or “belonging to it.” A diocesan school is a school run by that church area.

The area a bishop looks after is called a diocese主教負責管理的那個地區叫做diocese（教區）。Diocesan is the word that means 'of that area' or 'belonging to it.'diocesan是意思為「屬於那個地區的」或「隸屬於它的」這個詞。A diocesan school is a school run by that church areaa diocesan school指的是由那個教區管理的學校。

A diocesan bishop is the bishop of that place, not a bishop who belongs to a travelling religious order. As a noun, a diocesan can mean that bishop, or a priest who belongs to the diocese rather than to an order.

A diocesan bishop is the bishop of that placea diocesan bishop指的是那個地方的主教 not a bishop who belongs to a travelling religious order而不是隸屬於某個巡迴修會的主教。As a noun, a diocesan can mean that bishop當名詞用的時候，a diocesan可以指那位主教 or a priest who belongs to the diocese rather than to an order或是隸屬於教區、而不是隸屬於某個修會的神父。

It is a church-admin word: you meet it in news about the Catholic or Anglican church, not in everyday chat. Though actually, people sometimes say the diocesan as shorthand for the bishop, the way they might say the dean.

It is a church-admin word這是一個教會行政用語 you meet it in news about the Catholic or Anglican church你會在天主教或聖公會的新聞裡看到它 not in everyday chat不是日常閒聊會用的字。Though actually, people sometimes say the diocesan as shorthand for the bishop不過其實，人們有時候會用the diocesan當作主教的簡稱 the way they might say the dean就像有人可能會說the dean一樣。