The capital of Japan and its centre for money and business — one of the biggest, busiest cities in the world, with over 13 million people in the city itself and far more in the wider area.

The capital of Japan日本的首都 and its centre for money and business也是金融商業中心 one of the biggest, busiest cities in the world世界上最大、最繁忙的城市之一 with over 13 million people in the city itself市區本身就超過1300萬人 and far more in the wider area大都會區的人更多

As a proper noun it always takes a capital T and no 'the'. Note that in English 'Tokyo' is two syllables, TOH-kyo, and the vowels are long in Japanese but English speakers usually flatten them.

As a proper noun身為專有名詞 it always takes a capital T一定要大寫T and no 'the'前面也不加the; in English 'Tokyo' is two syllables, TOH-kyo在英文裡是兩個音節，唸TOH-kyo and the vowels are long in Japanese日文裡母音是長音 but English speakers usually flatten them但英語使用者通常唸得比較平

Like other capital cities, its name is often used to mean the government: "Tokyo has refused to comment" means the Japanese government has.

Like other capital cities跟其他首都一樣, its name is often used to mean the government它的名字常被用來代表政府: "Tokyo has refused to comment"「Tokyo has refused to comment」 means the Japanese government has意思就是日本政府拒絕回應

Also used before other nouns — Tokyo Station, the Tokyo Olympics, a Tokyo accent.

Also used before other nouns也可以放在其他名詞前面 — Tokyo Station東京車站, the Tokyo Olympics東京奧運, a Tokyo accent東京腔