使臂使指shǐ bì shǐ zhǐlike the body controlling the arms and the arms the fingers —handle very skillfully;have a perfect command of
❍ 令海内之势，如身之使臂，臂之使指，莫不制从。(《汉书·贾谊传》)The situation in the whole country will be like the body controlling the arms and the arms the fingers,and all will be brought into submission. 使臂使指shǐ bì shǐ zhǐ使：支使，支配。臂：胳膊；指：手指。就像让胳膊支使手指一样，灵活自如或指挥如意。command as one wishes, have a perfect command of |