Student or Learner
What on earth was the MQM head honcho hinting at when he suggested that the army, the ISI and the MQM join hands?
Please sir explain this paragraph I tried my best to understand but I think it was not easy for me because I am on basic stage of learning English.
*** NOT A TEACHER ***
(IMHO, both the original question as well as my re-phrased version are quite straightforward to answer: he was hinting at those three organizations working together. Though there may be much more to that. )
As for "what on earth", "on earth" simply adds emphasis to "what". ("What the hell" and "what the f*ck" are also possible in colloquial conversations.)
I hope this helps.