童言无忌

[tóng yán wú jì]

[释义]
» [knock on woods;take no offence at childs babble] 儿童天真无邪,讲话诚实,纵出不吉之言,亦无须见怪。也用以讥人说话幼稚可笑

[英文]
Childlike speech without taboo