inarticulate
adj
1 unable to express one´s words, ideas or feelings clearly 不善表达思想感情的
a clever but inarticulate mathematician 聪明但不善言辞的数学家.
2 not clearly or well expressed 表达得不清楚的; 含糊其辞的
an inarticulate speech, essay, sound 含糊不清的讲话、 文章、 声音
speaking in an inarticulate mumble 叽哩咕噜地说著.
3 not expressed as spoken words 非言语表达的
Her actions were an inarticulate cry for help. 她的行动是无言的呼救.