He's a real genius but he has difficulty verbalizing his ideas.
他确实是个天才,可是难以用语言表达他的思想。
牛津词典
...his inability to verbalize his feelings.
他无法用言语表达自己的感情
I find it difficult to verbalize.
我感到很难用言语表达.
期刊摘选
I cannot verbalize it in a concrete way. I am sometimes quite confused.
就是很多事情我是说不出一个具体的东西,有时候也挺迷惑的.
期刊摘选
This depressed patient does not verbalize.
这位情绪低落的病人不爱说话.
期刊摘选