1、vulnerable

脆弱的;易受傷害的

Old people are particularly vulnerable members of our society.

老年人是社會中尤為明顯的弱勢群體。

易感染（某種疾病）的；易患病的

People with high blood pressure are especially vulnerable to diabetes.

有高血壓的人尤其易患糖尿病。

Plants that are growing vigorously are less likely to be vulnerable to disease.

生命力強(qiáng)的植物不容易得病。

易受傷害的;易受影響的

Their tanks would be vulnerable to attack from the air.

他們的坦克易受到空襲。

a table showing which cars are most vulnerable to theft.

易被盜車輛一覽表

2、constantly

持續(xù)不斷的;重復(fù)的;一直存在的

She suggests that women are under constant pressure to be abnormally thin.

她暗示說女性總是處在保持身材異常瘦削的壓力之下。

Inflation is a constant threat.

通貨膨脹始終是個威脅。

恒定物;常數(shù)；常量；常項(xiàng)

In the world of fashion it sometimes seems that the only constant is ceaseless change.

在時(shí)裝界，有時(shí)似乎唯一永恒不變的東西就是不斷的變化。

Two significant constants have been found in a number of research studies.

若干研究已經(jīng)發(fā)現(xiàn)了兩個重要常量。

3、suffer

遭受，經(jīng)受(疼痛);感到(痛苦)

Within a few days she had become seriously ill, suffering great pain and discomfort.

幾天的時(shí)間，她就病得很嚴(yán)重了，疼痛難忍，周身不舒服。

Can you assure me that my father is not suffering?

你能保證我父親不會受罪嗎？

遭遇，遭受，蒙受(不好的事)

The peace process has suffered a serious blow now.

現(xiàn)在和平進(jìn)程遭到重創(chuàng)。

Romania suffered another setback in its efforts to obtain financial support for its reforms.

羅馬尼亞在為其改革努力尋求經(jīng)濟(jì)援助時(shí)再次受挫。

受挫;遭受打擊

There are few who have not suffered.

誰都會經(jīng)受挫折。

It is obvious that Syria will suffer most from this change of heart.

很明顯，這一態(tài)度的轉(zhuǎn)變對敘利亞的影響最大。