What the heck in the world is happening

What the heck in the world is happening 英译法：what the heck is that?RT i don't know what the heck you two were thinkingwhat's the meaning of heck waht the heck 跟what the hell区别何在actually i mean which is stronger Toss a couple milli in the air just for the heck of it what the heck does it have to do with you．啥意思? bug the heck out of me .and it was really tough not knowing what in the heck was going on,请问这里TOUGH是什么意思I've spent about a good half ofmy adult life homeless,and it wasreally tough not knowing what in the heck was going on, what heck is 英语翻译How the heck are you doing today in sunny,LA?三个答案都太出色了!只能投票! heck what in the world. what is in the Rebuilding an index for the heck of it is almost always a complete waste of time and resources.请问这里for the heck of How the heck are they so fast?上句中的“heck”在这句话里是什么意思?还是要表达什么语气? People were rude to her and some were just there for the heck of it just for the heck of 具体单独的heci of ti what ’s in the picture?