The Chinese translation is 真言; zhenyan; 'accurate terms', the Japanese on'yomi studying of the Chinese remaining shingon (and that is also made use of as the right title for that Shingon sect). Transferring to some English selections, Markoe Schieffelin suggests an easy statement of "I am like" for any mantra https://mua72604.blogoxo.com/26807320/mantra-fundamentals-explained