In actual honestly I was racing go karts in Brazil just to keep fit.

事实上我只是在巴西跑了卡丁车来保持状态。

youdao

Hamilton, who has already stated he does not want to drive for any other F1 team, had been on a fast-track to superstardom from the moment he started racing go-karts aged eight.

CNN: The man behind Hamilton's F1 dream