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]

言传身教在口头上传授讲解在行动上以身作则。指从言行两方面进行教育。英teach by personal example as well as verbal instruction;[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]

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]

信誓旦旦谓誓言诚恳可信。旦旦诚恳的样子。[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]