Huge raises confuse me!

[Nick82]

No read, but these big raises always make me think he doesnt want a call. Is there any argument to continue here?

Party Poker - No Limit Hold'em Cash Game - $0.50/$1 Blinds - 6 Players - (LegoPoker Hand History Converter)

SB: $114.17
Hero (BB): $111.38
UTG: $99.00
MP: $83.05
CO: $66.99
BTN: $128.00

Preflop: Hero is dealt A[img]/images/graemlins/heart.gif[/img] Q[img]/images/graemlins/spade.gif[/img] (6 Players)
3 folds, <font color="red">BTN raises to $4.00</font>, SB folds, <font color="red">Hero raises to $12.00</font>, BTN calls $8.00

Flop: ($24.50) 5[img]/images/graemlins/spade.gif[/img] J[img]/images/graemlins/heart.gif[/img] A[img]/images/graemlins/spade.gif[/img] (2 Players)
<font color="red">Hero bets $17.00</font>, <font color="red">BTN raises to $74.00</font>