他们在下国际象棋用英文怎么说

在下国际象棋用英语称为 "playing chess." 来源是因为国际象棋起源于中东地区，并由西方人在中东地区传入后逐渐普及。英语例句包括：

"I love playing chess in my free time."（我喜欢在下国际象棋）
"He's very good at playing chess."（他很擅长在下国际象棋）
"She's been playing chess since she was a child."（她从小就开始在下国际象棋了）