1. 随便哪一天 无论如何, 毫无疑问：an eight days 一星期(前或后) | any day 随便哪一天 无论如何, 毫无疑问 | happy as the day is long 非常快乐

2. 随便哪一天：any better || 好一些 | any day || 随便哪一天 | any longer || 再, 仍再

3. 随便哪一天;任何一天：We are anxious about / for his safety. 我们为他的安全而忧虑. | any day随便哪一天;任何一天: | We are expecting him to visit us any day this week. 我们盼望他在本周随便哪一天能来看望我们.

4. 哪一天都行：94. you're welcome 不客气 | 95. any day 哪一天都行 | 96. are you kidding你在开玩笑吧