他吸了一辈子的烟但是也活到了八九十岁。——译成英语

he lived to his 80s although he smoked all his lifetime

他吸了一辈子的烟但是也活到了八九十岁。

Though a smoker all his life, he lived to his 80s.

He smoked in all life,but still lives until 80 to 90 years old.

He had been a smoker for all his life, but he still lived to about 80 to 90 years,

He smoked all his life, but he was still able to live a long life of about 80 to 90 years

He smoked all his life but he still lived to his 80 to 90s.