I find it hard to convey my feelings in word. 我觉得难以用言语表达我的感情。

Word will suffice to convey his grief. 他的悲伤足以用言辞表达。

This train conveys both passengers and goods. 这趟列车客货均载。

They asked me to convey their sincere apology to you and promised to replace these rollers by new ones. 他们请我向你们转移他们真诚的歉意，他们还用新滚筒替换这些滚筒。