投信 tóuxìn to mail a letter Origin Definitions Defs Strokes Stroke Words Sentences Sents tóuxìn to mail a letter 投 tóu verbnoun to deliver to deliver or send out something, such as a letter, manuscript, or document信 xìn noun letter letter; mail; written correspondencetóuxìn investment trust 投 tóu verb to put in to put in; to invest; to drop in (a coin, ballot, or investment)信 xìn nounadjective trustworthiness trust; confidence; trustworthiness; credit