unable to express feelings or ideas clearly, or expressed in a way that is difficult to understand不善辞令的,口齿不清的
When it comes to expressing their emotions, some people are hopelessly inarticulate.一些人在表达自己的感情时显得笨嘴拙舌。
His speech was inarticulate and it was obvious he had been drinking.他讲话口齿不清,很明显他喝酒了。