1.words and expressions

as long as it nudges his curiosity and tugs at his sleeve.

nudge\ to push someone gently ,usually with your elbow, in order to get their attention 

脑补莫名其妙被人推了一下，自然很奇怪想知道他干啥呢 nudge his curiosity

tug \ to pull something hard in a particular direction 

看见tug at his sleeve,像小时候拉着爸爸衣服袖子让他别去出差，再陪我一会儿。 类似于文中 一直吸引着读者的注意力，不让读者走神或者直接不看

nose about in obscure crannies of the newspaper

cranny \a very small hole or opening ,especially in a wall 引申为报纸的每一个小角落

barbecue their skins

日光浴的这种说法好可爱

Most of us are still prisoners of the lesson pounded into us by the ...teachers of our youth

[教育相关作文}

The reader's interests begins to falter；the tension you have built begins to sag.

2.thoughts

Q1;How to start?

:1.the length:no pat answer, but sometimes depend on the audience.

2.give hard details and coax the reader a little more

3.give sentence an extra twist of humor or surprise

4.two morals: collect more material than you will use and look for material everywhere

5.fresh perception or detail

Q2: How to stop?

1.the perfect ending should take your readers slightly by surprise and yet seem exactly right.

2.For the nonficon writer:look for the nearest exit

3.The author will strike at the end an echo of a note that was sounded at the beginning.

4.Quotation  works best and try to surprise others.