stumbling block片语KK [ˋstʌmbəlɪŋ blɑk] /ˈstʌmbəlɪŋ blɑk/发音片语1绊脚石、障碍、阻力The high cost of housing remains the biggest stumbling block for young families.高昂的房价仍是年轻家庭最大的绊脚石。2症结、争议点多用于谈判Wages proved to be the main stumbling block in the negotiations.薪资问题成了这次谈判的主要症结。用这个字练口说→