“用言辞表达”可以翻译为 "express in words" 或 "articulate with words"。
"express in words" 强调通过语言将想法、感受等传达出来，是比较通用和常见的表达。
"articulate with words" 更侧重于清晰、有条理地用语言表达，突出表达的准确性和逻辑性。
例如：
It's hard to express my gratitude in words.（很难用言辞表达我的感激之情。）
She was able to articulate her feelings with words.（她能够用言辞表达自己的感受。 ）