bargain的意思是：交易、便宜货、契约、卖、讨价还价、谈判。
bargain作名词时意思是交易、便宜货、契约；作动词时意思是（谈价钱后）卖、讨价还价、谈判。过去式是bargained；过去分词是bargained；现在分词是bargaining；第三人称单数是bargains；复数是bargains。
例句
1、I'm not good at bargaining.
我不擅长讨价还价。
2、Through the mediation of the middleman, I struck a bargain with her.
通过中间人的调和，我和她达成了协议。
3、The government guarantees that it will not bargain the economy of any region away.
政府保证将不放弃任何一个地区的经济。
4、This coat was half-price. It's a real bargain.
这件外套是半价买的，真的是便宜。
