the words or sounds a baby says when it is learning to talk; the special language adults sometimes use when talking to babies 牙牙学语（声）；（成人对婴儿所用的）模仿儿语 I didn't use baby talk with my children, but used proper words right from the start. 从一开始对孩子讲话我就没有用儿语，而是用正常的话语。