3 sentences

1. 1964年夏季奥林匹克运动会在东京举办。

   1964 nián xià​jì'ào​lín​pǐ​kè​yùn​dòng​huì zài dōng​jīng jǔ​bàn.

   The 1964 Summer Olympic Games were held in Tokyo.

   Source: CCMatrix

2. 1980年夏季奥林匹克运动会曾在莫斯科举办。

   1980 nián xià​jì'ào​lín​pǐ​kè​yùn​dòng​huì céng zài mò​sī​kē jǔ​bàn.

   The 1980 Summer Olympics took place in Moscow.

   Source: CCMatrix

3. 古代奥林匹克运动会是一种运动和宗教性的庆典。

   gǔ​dài ào​lín​pǐ​kè​yùn​dòng​huì shì yī​zhǒng yùn​dòng hé zōng​jiào xìng de qìng​diǎn.

   The ancient Olympics were both an athletic and religious festival.

   Source: CCMatrix