xiàbān hòu tāmen cháng zài lóuxià xiǎoqū lǐ xià xiàngqí, yīxià jiù shì liǎng gè xiǎoshí

下班后他们常在楼下小区里下象棋，一下就是两个小时。

After work, they often play Chinese chess in the neighborhood downstairs, and a game can last two hours.