YOU SAID:
oi mate whatcha doin there
INTO JAPANESE
oi mate whatcha doinがあります
BACK INTO ENGLISH
There is oi mate whatcha doin
INTO JAPANESE
大井メイトなんですかdoin
BACK INTO ENGLISH
Oi mate what doin
INTO JAPANESE
大井メイト何doin
BACK INTO ENGLISH
Oi mate what doin
Well done, yes, well done!