yesterday

柯林斯词典

1. ADV You use yesterday to refer to the day before today. 昨天[ADV with cl]
She left yesterday. 她昨天离开了。
2. N-UNCOUNT Yesterday is also a noun. 昨天
In yesterday's games, Switzerland beat the United States two to one. 在昨天的比赛中，瑞士队2比1打败了美国队。
3. N-UNCOUNT You can refer to the past, especially the recent past, as yesterday. (尤指不久前的) 过去[also N in pl]
The worker of today is different from the worker of yesterday. 如今的工人跟过去的工人不一样了。

I rang them yesterday to check when they were arriving .
The police have deduced that he must have left his apartment yesterday evening .
The company's shares dived by 90p to 165p on the stock market yesterday.
The book was delivered yesterday with a note saying the bill for it would follow in a day or two.
Mr Gubbay said yesterday that he will not be reapplying for the job .