Mr. Hill, do you have an engagement on Saturday night? 希尔先生,你周六晚上有空吗?
John said that his daughters could have a party on Saturday night, but warned them that he would be keeping an eagle eye on the proceedings. 约翰说,他的女儿们可以在星期六晚上举行一个晚会,但警告他们说。他会密切注意他们的各种活动。
Once in a while he goes with us to the movies on Saturday night. 偶尔在星期六晚上他同我们一道去看电影。