プログレッシブ和英中辞典(第4版)の解説
ねぎる【値切る】
bargain ((with a person)) over the price; beat down the price；〔しつこく〕haggle over the price
その鞄を８千円に値切った
I bargained with the shopkeeper and got the bag for 8,000 yen.／I managed to beat the price of the bag down to 8,000 yen.
どうせ吹っ掛けているんだから，うんと値切ってやろう
As he is asking an unreasonable price anyway, I will drive a hard bargain (with him).