1、reserve

保留;留出;预留

A double room with a balcony overlooking the sea had been reserved for him.

特地为他预留了一间带阳台的海景双人房。

In the United States lanes are reserved for cars with more than one occupant.

在美国，多人乘坐的汽车有专行道。

预订;保留;预约

I'll reserve a table for five.

我要预订一张5人的桌子。

Demand will be huge, so ask your newsagent to reserve your copy today.

需求量会很大，所以今天得请卖报摊主为你预留出你那份。

储备;储存物资;储藏量

The Gulf has 65 per cent of the world's oil reserves.

海湾地区拥有全世界65％的石油储藏。

A friend can be a reserve of help in times of trouble.

朋友可以在困难的时候提供帮助。

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。

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。

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。

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。