1、announce

宣布;宣告;公布

He will announce tonight that he is resigning from office.

他将于今晚宣布辞职XN_X1RPEDxBVO,d。

She was planning to announce her engagement to Peter.

她正计划宣布她和彼得订婚一事8NK-qu,cysFt4。

（机场或火车站工作人员通过扬声器）播报，通知

Station staff announced the arrival of the train over the tannoy.

车站工作人员通过广播告知火车到站了WE@9Z=J@AvG(。

They announced his plane was delayed.

广播通知他所乘的航班晚点了R.5t9gA[n&H6n。

（以信件、声音、信号等）通知，告知

The next letter announced the birth of another boy.

下一封信通知又一个男孩出生了1e~KpK6)LBj|j!y8。

His entrance was announced by a buzzer connected to the door.

他刚一进去，与门相连的门铃便嗡嗡作响qF2cYGK~eEDmAvv[v)。

2、concern

忧虑;担心

The group has expressed concern about reports of political violence in Africa.

该团体对有关非洲政治暴力的报道表示关切ZmCw95@)l6FV3rXJ(@y.。

The move follows growing public concern over the spread of the disease.

针对公众对该疾病的不断蔓延日益担忧，从而出台了这一举措IGO!)vr_SwwFb。

使担忧;使心烦

The growing number of people seeking refuge in Thailand is beginning to concern Western aid agencies.

到泰国寻求庇护的人日益增多，这开始引起了西方援助机构的不安P4Urt+yN~L。

It concerned her that Bess was developing a crush on Max.

贝丝迷上了马克斯，这让她很担心p_JRPm,i&1,!lZk。