Shah was the title of the kings of Iran, in the time when that country was also called Persia. It is a title, like king or emperor, not a personal name. You write it with a capital S when you mean that royal title.

Shah Shah was 是 the title of the kings of Iran 伊朗國王的稱號 in the time when that country was also called Persia 在那個國家還叫波斯的時代 It is 這是 a title, like king or emperor 一個像king或emperor那樣的稱號 not a personal name 不是人名 You write it with a capital S 講到這個王室稱號時要大寫S when you mean that royal title 就是這個意思的時候

The last Shah left Iran in 1979; after that, this was no longer the title of the person who led the country. Do not call a modern Iranian leader the Shah.

The last Shah left Iran in 1979 最後一任Shah在1979年離開伊朗 after that 從那之後 this was no longer the title of the person who led the country 這個稱號就不再是國家領導人的頭銜了 Do not call a modern Iranian leader the Shah 不要把現代的伊朗領導人叫做the Shah

The word was borrowed from Persian šâh, a very old word for a king. It is a doublet of check: the chess word check (and checkmate) came from the same Persian king-word, because chess is a game of kings. That is history inside the game, not something you use when you talk about Iran today.

The word was borrowed from Persian šâh 這個字是從波斯文šâh借來的 a very old word for a king 一個非常古老、指國王的字 It is a doublet of check 這個字跟check是同源詞 the chess word check (and checkmate) came from the same Persian king-word 西洋棋的check（和checkmate）來自同一個波斯國王字 because chess is a game of kings 因為西洋棋本來就是國王的遊戲 That is history inside the game 那是棋盤裡的歷史 not something you use when you talk about Iran today 不是你講現在伊朗時會用到的東西

Though actually, English speakers sometimes say the Shah as if it were a name; it still began as a title.

Though actually 不過其實 English speakers sometimes say the Shah as if it were a name 英文使用者有時候會把the Shah講得像是個名字 it still began as a title 但它原本還是個稱號