Thank you UKengQatar and sammy for good ideas. thumb up for you.

Btw, hallal bi hallal is kind of gathering after ramadan, It's a celebration occasion with alot of food, food,and food and congratulating one to another by shaking hand, usually one week around Ied Fitr.
the meaning of hallal bil hallal it self i don't know. for your information there many indonesian word absorbed from arabic language.