at all costs片语KK [æt ɔl kɑsts] /æt ɔl kɑsts/发音片语1不惜一切代价、无论如何、务必We must protect the children's safety at all costs.我们必须不惜一切代价保护孩子们的安全。2千万、绝对用于否定或劝诫Avoid that neighborhood at all costs after dark.天黑以后千万不要去那一带。用这个字练口说→