Pay through the nose (for something): pay a very high price (for something)
法外な代金を払う、ぼられる

Lee: Nice car!

Tim: Yeah, but I had to pay through the nose for it. It was way too expensive. 

リー：素敵な車ね
ティム：うん、だけど、法外な代金を払わざるを得なかったんだ。高すぎた。