yesterday

1.在昨天on the day before today

They arrived yesterday.他们昨天到达。

I can remember our wedding as if it were yesterday.我们的婚礼我记忆犹新，就像昨天一样。

Where were you yesterday morning?你昨天上午在哪儿？

To think I was lying on a beach only the day before yesterday .想想吧，就在前天，我还躺在海滩上呢。

1.昨天the day before today

Yesterday was Sunday.昨天是星期天。

What happened at yesterday's meeting?昨天的会上发生了什么事？

2.不久前；近日；往昔the recent past

Yesterday's students are today's employees.昨天还是学生，今天成了雇员。

All her yesterdays had vanished without a trace.她的过去已经完全烟消云散了。

1.[nbn](informal)过时no longer fashionable or new

Email─that's so yesterday !电子邮件，那太过时了！