He’s the hardest bargainer in the business.

【bargain】他是这一行业强硬的谈判对手。

“He was a good bargainer, because he knew better than the guys at the counter what the parts should cost.”

“他很揸长讨还，因为他比卖家更清楚零件的合理格。”

They were good bargainers and often did me out of more than I deserved to lose.

他是讨还的好手，经常让我付出比我应得的损失更多的钱。

Rockefeller's old Cleveland associates remember him as the greatest bargainer they had ever known, as a man who had an eye for infinite details and an unquenchable patience and resource in making economies.

洛克菲勒在克利夫兰的老同得他是他所知道的伟大的讨还者， 是一个对无限细节有着敏锐洞察力的人， 在创造经济方面有着无法抑制的耐心和资源。