[ zhòngdà ] great; weighty; major; significant; important; grave; serious 短语和例子 重大消息 grave news; 具有重大意义 be of great [immense] significance; 取得重大进展 make significant progress [headway]; 重大的原则分歧 a major difference of principle; 重大案件 important case; 重大成就 significant achievement; tremendous achievements; 重大措施 vital measure; 重大发明 invention of great significance; 重大贡献 major contribution; 重大过失 culpable negligence;重大伤亡 heavy casualties; 重大胜利 signal victory; 重大事故 major accident; grave accident; 重大损失 heavy losses; 重大问题 vital problem; major issue; 重大嫌疑犯 major suspect; 重大刑事犯 major criminal; 重大突破 quantum jump [leap]; 重大责任 weighty responsibility