贱卖的英文：
sacrifice
sale
sell at a sacrifice

参考例句：

On sale
出售,贱卖

An end-of-the-season sate
季末大贱卖

The goods that our shop purchased before the price adjustment are still for sale at low prices.
本店对调价前的这类商品，仍旧贱卖。

$50 ～$90 Off normal retail
降价50至90元贱卖

Those sneakers retail at $50 ～$90 off normal.
这些板鞋降价50至90美元贱卖。

sacrifice是什么意思：
n. 献祭，供奉，祭品；牺牲；献身
v. 献祭；牺牲，奉献；亏本出售；廉价卖出

The owner sacrificed his house.
屋主将房屋廉价出售。

But civility has been sacrificed to the gratuitous insult.
然而礼貌却沦为无端侮辱的牺牲品。

He has sacrificed his life for the revolution.
他为革命而牺牲。

sale是什么意思：
n. 出售；销售量；销售部；特价销售；销售活动

Not for sale will be showing.
非卖品都将展出。

A pickup in sales.
销售量好转

The sale department make an accurate forecast of sale.
销售部门做了一项准确的销售预测。

sell是什么意思：
v. 卖，出售；推销；使畅销；宣传，使接受，使人相信；背叛，出卖
n. 推销术

Television sells many products.
电视促进许多商品的销售。

This shop is licensed to sell tobacco.
这家商店被准许卖烟草。

This store sells pet food.
这商店出售宠物食品。