He started work at the sharp end of the business, as a salesman.

他从这一行最为棘手的工作做起，当了推销员。

《牛津词典》

The deal follows calls by Germany and France for Spain and other states at the sharp end of the euro zone debt crisis to set binding limits on their deficits to regain the trust of investors.

在德国和法国领头的合约中，西班牙和其他在欧元区债务危机边缘的国家正在通过限制他们的债务来重新获得投资者的信心。

youdao

At the sharp end, mortgage brokers bent the rules to get subprime borrowers to sign "liars' loan" documents, encouraged by the insatiable demand from Wall Street banks for mortgage securities.

最狠的一招是，受华尔街银行对抵押贷款证券无境止的需求的驱动，抵押贷款经纪人篡改规定，让次贷借款者签署“骗子贷款”文件。

youdao

That doesn't mean it can't feel like the exact opposite for some of those at the sharp end.

BBC: Bitter-sweet sympathy

My job at BABA is to ensure everything we do supports those at the sharp end: the boxers, their coaches and support teams.

BBC: New body to run GB Olympic boxing

Prof Smith has found himself at the sharp end of the slump - his department has been earmarked for closure by the university.

BBC: NEWS | UK | Magazine | What's the point of chemistry?