1、concern

憂慮;擔心

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

該團體對有關非洲政治暴力的報道表示關切。

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

針對公眾對該疾病的不斷蔓延日益擔憂，從而出臺了這一舉措。

使擔憂;使心煩

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

到泰國尋求庇護的人日益增多，這開始引起了西方援助機構的不安。

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

貝絲迷上了馬克斯，這讓她很擔心。

令人擔憂的事實(或情況)

His concern was that people would know that he was responsible.

他擔心大家會知道是他的責任。

Unemployment was the electorate's main concern.

選民關心的主要是失業問題。

2、stretch

延伸;綿延

The procession stretched for several miles.

游行隊伍長達數英里。

He had burns that stretched from his neck to his hips.

他從脖子到臀部均被燒傷。

一片;一泓;一段

It's a very dangerous stretch of road.

這是一段非常危險的路。

This stretch of Lost River was broader and deeper.

洛斯特里弗的這片水域又寬又深。

伸展;舒展

He yawned and stretched.

他打了個呵欠，伸了伸懶腰。

Try stretching your legs and pulling your toes upwards.

試著雙腿伸直并且向上拉伸腳趾。