do one's best片语KK [du wʌnz bɛst] /du wʌnz bɛst/发音片语1尽力、尽最大努力、竭尽全力I'll do my best to finish the report before Friday.我会尽力在星期五之前完成这份报告。2已经尽力了、力有不及多用于解释结果不理想时We did our best, but the team still lost by two points.我们已经尽力了,但球队还是输了两分。用这个字练口说→