When pain strikes, we attempt tp keep the back as immobile as possible, which makes the muscles tense up.
當(dāng)疼痛來襲，我們?cè)噲D盡可能保持背部不動(dòng)，這會(huì)使得肌肉緊張。

pain strike 疼痛來襲
as immobile as possible 盡可能不動(dòng)
muscle tense up 肌肉緊張

If you are overweight, a diet will make all the difference.

make all the difference 起到作用；做出改變

Japan has a significant better record in terms of average mathematical attainment than England and Wales.
在數(shù)學(xué)平均成績(jī)方面，日本學(xué)生的分?jǐn)?shù)明顯高于英格蘭和威爾士學(xué)生的分?jǐn)?shù)。

in terms of 按照（依據(jù)，用...來）
attainment 達(dá)到；獲得 attainments 成就；才能；學(xué)識(shí)

Grand Freeman, a biologist who specializes in identifying insects, has come to talk us about his current research work.
格蘭特弗里曼，一個(gè)昆蟲識(shí)別方面的專家，來向我們介紹他目前的研究工作。

specialize in 專攻；專門從事于（某一科目）

I can see how supportive the school of athletics, as well as fine arts and all extra-curricular activities.
我能看出來這個(gè)學(xué)校對(duì)體育運(yùn)動(dòng)有多支持，對(duì)美術(shù)以及所有課外活動(dòng)也是一樣。

extra-curricular activities 課外活動(dòng)

The school is identified in federal records as a single-sex school with only male students.
在聯(lián)邦文件中，該學(xué)校被定義為只允許男性學(xué)生就讀的單一性別學(xué)校。

a single-sex school 男?；蚺?/p>

It is remarkable that large mixed-abillity classes could be kept together for maths throughout all their compulsory schooling.

mixed-abillity class 各層次學(xué)習(xí)能力的學(xué)生在一起上課的班級(jí)

Even though the great majority of students are well-behaved, there is a small minority that engage in anti-social behaviour.
盡管絕大多數(shù)學(xué)生都表現(xiàn)良好，還是有極少數(shù)學(xué)生有反社會(huì)行為。

anti-social behaviour 對(duì)他人和社會(huì)有負(fù)面影響的行為

The children coming out of this school are going to be well-adjusted adults and very good for our future.
從這所學(xué)校畢業(yè)的孩子會(huì)成為適應(yīng)力很強(qiáng)的人，并對(duì)我們的未來很有益。

well-adjusted adults 能夠很好適應(yīng)社會(huì)生活的成年人

Students who are not achieving academically tend to consequently drop out of school.
無法在學(xué)業(yè)上有所成就的學(xué)生往往會(huì)因此而輟學(xué)。

drop out of school 退學(xué)

Experts believe that people who speak two languages have a clear learning advantage over their monolingual schoolmates.
專家們相信會(huì)說兩種語言的學(xué)生相比單一語種的學(xué)生具有明顯的學(xué)習(xí)優(yōu)勢(shì)。

have an advantage over 優(yōu)于，比……有優(yōu)勢(shì)
monolingual adj. 僅用一種語言的，僅懂一種語言的

Most writers repress individuality to please public.
大多數(shù)作家會(huì)壓抑個(gè)性以取悅大眾。

repress individuality 壓抑個(gè)性