有的放矢

Explanation: The Jian Bazi; vector arrows. Throw aligned with the target. Metaphor to speak of targeted work. 　　Usage: -Linked; as the predicate attribute, object, adverbial; with compliment 　　Source: Mao Zedong, "Rectify the Party's style of" Marxist-Leninist theory and the Chinese revolution, and how each link? Take the words of a popular, is targeted "." 　　Examples: Marxist-Leninist theory and the Chinese revolution, and how each link? Take the words of a popular, is "~." (Mao Zedong, "Rectify the Party's work style") 　　Riddle: Sea rocket to the intended Thesaurus:  suit the medicine to the illness, Symptomatic Dispensing, take measures in time, teach students according to their aptitude Antonym Group:  3 Paper no ass, Tiannvsanhua, make a very wild boast about sth. as if it were raining flowers, play the harp( (lute) to a cow; cast pearls before a swine, Bovine drum spring, hit out at random, waste one's words, No one save a hundred