钉书针 dìngshūzhēn staple Origin Definitions Defs Strokes Stroke Words Sentences Sents 钉 釘 dìng verb to nail to drive a nail into something; to join or fix things in place using nails or staples书 書 shū noun book book; volumes or works of text or drawings bound together针 針 zhēn noun needle needle; pin; a small, thin tool used for sewing or knitting