dà / jiā / zhèng / zài / tǎo / lùn / fāng / àn / tā / què / tū / rán / chā / gàng / zi / dǎ / duàn / le / huì / yì

大家正在讨论方案，他却突然插杠子，打断了会议。

Everyone was discussing the plan, but he suddenly interrupted and disrupted the meeting.