How to say “Check the spelling of the name before you sign the certificate, because we can't print another one.” in Japanese
In Japanese
賞状に署名する前に名前の字を確認して。もう一枚は印刷できないから。
Shōjō ni shomei suru mae ni namae no ji o kakunin shite. Mō ichimai wa insatsu dekinai kara.