至于用英语短语

in respect of   with respect to  in/with regard to     as regardsrespecting  regardingas for/toas far as

至于[zhì yú ]（表示达到某种程度） go so far as to; as for; as to; apropos of; as far as ;

As for

regarding,通常至于都是用英语短语的，很少用到单词..都是as to ,regarding to