What is going on with the villains bets on the turn? Im a bit confused as up till this point he has looked pretty weak.

***** Hand History for Game 7218992815 *****
$5 USD NL Texas Hold'em - Monday, July 14, 13:16:41 ET 2008
Table Table 165382 (Real Money)
Seat 4 is the button
Total number of players : 10
Seat 4: Rejti ( $5.98 USD )
Seat 9: andrzej1953 ( $5.58 USD )
Seat 6: Hero ( $10.04 USD )
Seat 1: gekoh111 ( $2.57 USD )
Seat 2: oeptie ( $1.88 USD )
Seat 3: sleepingsurf ( $5.69 USD )
Seat 10: luna07111 ( $1.96 USD )
Seat 8: Flley ( $8.08 USD )
Seat 5: wHizmaster82 ( $1.96 USD )
Seat 7: PrenzelDante ( $2 USD )
wHizmaster82 posts small blind [$0.02 USD].
Hero posts big blind [$0.04 USD].
** Dealing down cards **
Dealt to Hero[ Qd 4d ]
Flley folds
luna07111 folds
gekoh111 calls [$0.04 USD]
sleepingsurf folds
Rejti folds
wHizmaster82 calls [$0.02 USD]
Hero checks
** Dealing Flop ** [ 4h, 9h, Kd ]
wHizmaster82 checks
Hero bets [$0.08 USD]
gekoh111 calls [$0.08 USD]
wHizmaster82 folds
** Dealing Turn ** [ 7c ]
Hero checks
gekoh111 bets [$0.08 USD]
Hero raises [$0.20 USD]
gekoh111 raises [$0.44 USD]