If you keep working hard like that, you'll end up becoming Japanese.
If you keep going hard at your work the way you are, you'll be just like us Japanese.
ーIf you keep working hard like that, you'll end up becoming Japanese.
「そんなに一生懸命働いていたら、日本人みたいになっちゃうよ。」
work hard で「一生懸命働く・仕事に勤しむ」
end up ... で「…になる」
ーIf you keep going hard at your work the way you are, you'll be just like us Japanese.
「そんな風に一生懸命働き続けてたら、日本人みたいになっちゃうよ。」
keep going hard at your work で「一生懸命働き続ける」
be just like us Japanese で「私たち日本人みたいになる」
ご参考まで！
カナダ 
