1、announce
宣布;宣告;公布
He will announce tonight that he is resigning from office.
他將于今晚宣布辭職。
She was planning to announce her engagement to Peter.
她正計劃宣布她和彼得訂婚一事。
大聲宣告,鄭重地說(尤指令人不快之事)
Peter announced that he had no intention of wasting his time at any university.
彼得宣稱他無意在任何一所大學浪費時間。
'I'm having a bath and going to bed,' she announced, and left the room.
“我要洗個澡然后上床睡覺,”她大聲說完便離開了房間。
(機場或火車站工作人員通過揚聲器)播報,通知
Station staff announced the arrival of the train over the tannoy.
車站工作人員通過廣播告知火車到站了。
They announced his plane was delayed.
廣播通知他所乘的航班晚點了。
2、go back
追溯到;回溯到
The feud with the Catholics goes back to the 11th century.
與天主教的夙怨可以追溯到11世紀。
Our association with him goes back four years.
我們同他的合作是從4年前開始的。
回到(過去);回顧
If you go back to 1960, you'll find that very few jobs were being created.
如果回到1960年,你會發現工作機會寥寥無幾。