while单词相关例句：
Study sickness while you are well. 居安思危。
Benefits please like flowers, while they are fresh. 恩泽让人欣喜，犹如鲜花使人心醉。
For age and want save while you may; no morning sun lasts a whole day. 为了年老和急须，要及时积蓄，因为早晨的太阳，不会整天照耀。
A little kiss while you are sleeping, to give you sweeter dreams. 睡时一个吻,美梦到天明.
Never swap (or swop) horses while crossing the stream. 骑渡中流莫换马。(指危难时不宜做大变动)
We must beat the iron while it is hot , but we may polish 19it at leisure20.  John Drydon, British poet——打铁必须趁热，但是要磨光它则不妨从容。   英国诗人  德莱顿 . J .
Strike while the iron is hot. 见机行事。称热打铁。
You can do more than strike while the iron is hot; you can make the iron hot by striking. 铁热时，你能做的不止是锤打，而锤打可使铁热。
Gather ye rosebuds while ye may. 有花堪折直须折。
One man may steal a horse while another may not look over a hedge. 只许州官放火，不许百姓点灯。
when单词相关例句：
If you don't learn to think when you are young , you may never learn .(Thomas Edison , American inventor )——如果你年轻时就没有学会思考，那么就永远学不会思考。(美国发明家 爱迪生 . T.)
We can not tell the precise moment when friendship is founded, As in filling a vessel drop by drop, there is at last a drop which makes it run over ; so in a serics of kindness there is at last one which makes the heart run over.——James Boswell, British writer 我们无法讲出友谊缔造的确切时刻，就像一点一滴地倾注一个容器一样，终有一滴使容器满溢；因此，面对接二连三的好意，终有那么一次会动人心弦，情谊洋溢。英国作家 博斯韦尔,J.
Of all the possessions of this life fame is the noblest; when the body has sunk into the dust the great name still lives. 人生最可宝贵的是声誉，躯体入土后，声誉犹存。
The best fish smell when they are three days old. 鱼过三天后，再鲜也变臭。
Marry your son when you will, your daughter when you . 给儿子娶亲，想在什么时候皆可；把女儿嫁人要在有力量时才行。
A man never discloses his own character so clearly as when he describes another's. 一个人在描述别人的性格时最能暴露出自己的性格。
A  man who does not know what passion is will never know   love because love can come into being only when there is total self aban -donment .一个不懂得徼情的人永远不会懂得爱，因为只有在完全无我的时候，才有达到爱的境界。印度出生的宗教哲学家    克里希纳穆尔.J.
It is too late to lock the stable door when the steed is stolen. 贼出关门。
The devil is good when he is pleased. 魔鬼高兴，也发善心。
All are brave when the enemy flies. 敌人逃跑时，个个都勇敢。