Done Please help me this a sentence.

[LuckyBlue]

Hi there, I'm a big fan of Yakuza manga but their dialouges are hard to undertand. Please help me out.
まあ おおかた予想はつぃてたからな 「シャプ打って会長宅に突っ込む真似すんのなんて限られてくんだろう」
The situation is about the head group calls out all sub-groups for an urgent meeting because they've got a news that some groups plans to attack them. I don't get the whole part in 「...」at all. Please help, thank you!

 

[OKfarm]

まあ おおかた予想はつぃてたからな
It was almost anticipated.
シャプ打って会長宅に突っ込む真似すんのなんて限られてくんだろう
There are not many groups that dare to assault grand-pa(boss of mafia) when tripping with acid,I guess.

真似 means "(silly) act" here.

 

[LuckyBlue]

まあ おおかた予想はつぃてたからな
It was almost anticipated.
シャプ打って会長宅に突っ込む真似すんのなんて限られてくんだろう
There are not many groups that dare to assault grand-pa(boss of mafia) when tripping with acid,I guess.

真似 means "(silly) act" here.

Thank you so much!! dear OKfarm. I got it well!