A bird in the hand is worth two in the bush
st. 双鸟在林不如一鸟在手

A chain is no stronger than its weakest link
st. 一环薄弱全局坏

A fault confessed is half redressed
pr. 浪子回头金不换

A friend in need is a friend indeed
st. 患难见真情

A little pot is soon hot
st. 量小易怒

A famous thinker once wrote that'the greatest threat to mankind is mankind itself !'If this is indeed the case,then the current situation should make us ponder our futuer existence.
一位著名的思想家曾经写道：“对人类最大的威胁是人类自身！”如果事实确实如此，那么，现状应该促使我们对我们未来的生存进行思索了。

A growing number of people are beginning to realize that wealth is not the sole prerequisite for happiness .
越来越多的人开始意识到财富不是幸福的惟一先决条件。

A key or scale in which A is the tonic.
A调音阶：以A调为主音调的音键或音阶

A large number of people tend to live under the illusion that they had completed their education when they finished their schooling. Obviously,they seem to fail to take into account the basic fact that a person's education is a most important aspect of his life.
许多人存在这样的误解，认为离开学校就意味着结束了他们的教育。显然，他们忽视了教育是人生重要部分这一基本事实。

A man is assisting police with their inquiries
一名男子协助警方调查。