created sense approved 半路杀出个程咬金/半路殺出個程咬金 · bànlùshāchūgè Chéng Yǎojīn · unexpected disruption
半路杀出个程咬金 / 半路殺出個程咬金
bànlùshāchūgè Chéng Yǎojīn
unexpected disruption
A situation where someone or something appears unexpectedly midway and disrupts a plan or progress.
本来我们的谈话进行得很顺利，谁知半路杀出个程咬金，把事情给搅黄了。