有一次，他教两个人下棋。

Once he gave lessons on chess to two men.

youdao

奕秋是全国最有名的棋手。有一次，他教两个人下棋。

Yi Qiu was known as the most famous expert at chess throughout the land.

youdao

例如，两个人下棋：他们外表上都一样，但其中一个只关心难题的解决，而另一个却在寻求个人利益。

For example, two men playing chess: their exterior aspect is the same, but one is only concerned with resolving a problem and the other seeks a personal profit.

youdao

例如，两个人下棋：他们外表上都一样，但其中一个只关心难题的解决，而另一个却在寻求个人利益。

For example, two men playing chess: their exterior aspect is the same, but one is only concerned with resolving a problem and the other seeks a personal profit.

youdao