7句中译英（比较难）,1 众所周知,成功来自勤奋,不努力则一事无成.（without）2 没有一个家庭会穷到连放在桌子上的干净桌布都没有的程度.（have...covered）3 这部有关第一次世界大战的历史小说引人入胜,我简直爱不释手.(so...that)4 看到鸟,使人产生了制造飞行器的设想.(suggest)5 他的健康状况不定,有时好,有时相当差.(vary)6 历史证明美国黑人（the Afro-Americans）为美国这样一个民族做出了巨大的贡献.(owe)7 他带着偷来的手机匆匆离开,结果却在超市里被警察抓住了.(make off)PS :key word一定要用,能翻几句就几句.

1 Know to all, succeed to come from the diligence,without work hard then a the matter has not results to show.
2 Having no a family woulds be poor to the clean table cloth that connect covered to the table all the degree that have no.

1 as is known to all,success cones from diligence,and without hard work,one can complete nothing successfully.
2 no family would be in such poverty as not to be able to have their table covered with a clean cloth.
3 this historic novel on world war Ⅰis so interesting that i can't even put it down.
5 his health condition varies,sometimes it's good,sometimes it's bad.
6 it's proven by history that the American nation owes greatly to the Afr0-Americans.
7 he left in a hurry with the stolen cellphone,but was made off by the police in the supermarket

1.Everybody know s that success comes from diligence and you can’t be successful without any effort
2.None of families will be too poor to have the table coved a clean tablecloth.
3.This historic novel on the first war is so bewitching that I love it very much.
4.Seeing the bird suggest us making the aircraft .
5.The situation of his health varies unsteadily.
6.The history proves that great contribution to America owe to the Afro-Americans.
7.He made off with the mobile phone he stole,as a result ,he was arrested by the police in supermarket.