stumbling block片語KK [ˋstʌmbəlɪŋ blɑk] /ˈstʌmbəlɪŋ blɑk/發音片語1絆腳石、障礙、阻力The high cost of housing remains the biggest stumbling block for young families.高昂的房價仍是年輕家庭最大的絆腳石。2癥結、爭議點多用於談判Wages proved to be the main stumbling block in the negotiations.薪資問題成了這次談判的主要癥結。