highway robbery
noun [ U ] US informal uk/ˌhaɪ.weɪ ˈrɒb.ər.i/ us/ˌhaɪ.weɪ ˈrɑː.bɚ.i/ (UK daylight robbery)
（形容花太多钱才能买到）拦路抢劫
a situation in which you have to pay far too much money for something
$20 for two drinks? That's highway robbery! 两杯饮料要20美元？这不是拦路抢劫吗！