致用 zhìyòng to put to practical use Definitions Defs Origin Strokes Stroke Words Sentences Sents zhìyòng to put to practical use 致 zhì adverb to study To investigate or study to the limit; to extend knowledge to the utmost (as in 格物致知 géwùzhìzhī)用 yòng verb to use To use; to employ; to apply or make use of something to achieve a purpose.zhìyòng to provide for use 致 zhì verb to deliver To send or transmit (a letter, telegram, or other objects)用 yòng verb to use To use; to employ; to apply or make use of something to achieve a purpose.