it's supposed to be
"it's supposed to be" 这个固定搭配通常用来表示某事物被期望、假定或认为应当是某种方式。
It's supposed to be sunny today. 今天应当是晴天。
It's supposed to be cold tomorrow, so don't forget to wear a coat. 据说明天会很冷，所以别忘了穿外套。
The meeting is supposed to be over by 3 PM. 会议应该在下午3点结束。
The book is supposed to be based on a true story. 这本书据说是根据一个真实故事改编的。
as ... turn to ...
as the days turned to weeks and the weeks to months 随着日子变成几周，几周变成几个月
as his months at the work turned to years 随着他工作的几个月变成了几年
在这些例句中，"turned to"被用来描述时间的流逝。这种用法在叙述中很常见，用来营造一种时间推移的感觉。
