驷马难追比喻已说的话难于收回；既成的事实不能挽回。亦作：驷马不追、驷马莫追。[查看详情]

信誓旦旦谓誓言诚恳可信。旦旦诚恳的样子。[查看详情]

一言为定一句话说定，不再更改或反悔。例姐姐说的有理就是这等一言为定不可再改。——清文康《儿女英雄传》英that's settled then; once sth.is said,it must be kept;[查看详情]

言行一致同“言行若一”例以及目标‘言行一致’的美德推测起来这也正像他的话。——鲁迅《且介亭杂文二集》英act as one speaks; as good as one's words; match words with deeds; suit one's action to one's words;[查看详情]

一诺千金一句诺言值千金。形容说话极有信用。英promise that will be kept; be sure to keep one's promise;[查看详情]

说一不二说话守信用说话算数。例警卫中知道总司令是说一不二的。——《草地晚餐》英overpowering; mean what one says; one's word would be law; stand by one's word;[查看详情]