"Josh Krajcik" is an American singer and songwriter who currently resides in Columbus, Ohio. He began his career as a solo artist and later went on to form the Josh Krajcik band with Corey Gillen and Mitch Pinkston. In 2011, he auditioned for Simon Cowell’s music competition The X Factor USA and was chosen for the Final 16. He is currently one of the top 5 finalists.
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簡單的說就是J·k這個人是美國壹位很有才華的歌手、音樂人，他曾經在“X因素”這個選秀節目中取得了優異的名次。
用手語打中國人的名字我們壹般打名字的首字母
同樣美國人的名字也可以這樣，而且出名的美國人都會有自己的名字縮寫
比如著名的Michael Jackson，全世界的歌迷都會簡單稱呼他為 MJ
那麽也可以稱Josh Krajcik為 JK
用手語直接打字母 J K 就行了
———————————————沒太理解妳的問題，不知道是不是妳要的 ^_=