[ikarichan]

hi! i'm spanish, and i'm studing japanese, i'm learning to read some kanji and hiragana on a manga, and i found this expression i can't translate, cause i don't know how:

大文夫やって

please! remember that i don't know what does that means! so please, don't be angry or feel strange if it means a weird thing @.@ i hope not! please help me!