他们在打斯诺克。用英语怎么说？

他们在打斯诺克。

They were playing snooker.

they

pron. 他/她/它们，人们，大家，政府，当局，她们；

例句
The storms had abated by the time they rounded Cape Horn.
他们绕过合恩角时，暴风雨已经减弱。

were

be的过去时复数和第二人称单数形式，有时代替 was,用于条件从句、动词 wish 之后等；

例句
Shops, houses, and vehicles were set ablaze.
店铺、房子和车辆全都陷于火海。

playing

v. 演奏( play的现在分词 )，演出，参加比赛，捉弄；

例句
By his own admission, he is not playing well...
他自己承认表现欠佳。

snooker

n. 斯诺克台球；vt. 阻挠，阻止，欺骗，骗取；

例句
Williams has confirmed his position as the world's number one snooker player.
威廉姆斯巩固了自己世界头号斯诺克选手的地位。