1、在周末用英语表达：on weekends，at weekends，on the weekend，at the weekend。
2、例句：
（1）他们通常在周末聚会。
They usually forgather at weekends.
（2）这对夫妇喜欢在周末逛街。
The couple enjoys lounging about the streets at weekends.
（3）为了巩固我们的感情，我们应该在周末一起做一些事情。
We should do something together at weekends so as to strengthen our relationship.