Qi tui "Family Instructions. Mian School "," a word to frequently asked reward of several hundred, responsible for its mean return, or not to be. Ye under the saying goes 'Dr. buy a donkey, a book coupon of papers, no ass word.' "Post, due to the" three non-paper donkey, "that the diction burdensome, at great length and to no avail.
No one save a hundred, hit out at random, play the harp( (lute) to a cow; cast pearls before a swine, Bovine drum spring, waste one's words, make a very wild boast about sth. as if it were raining flowers, Tiannvsanhua
Antonym
teach students according to their aptitude, suit the medicine to the illness, Symptomatic Dispensing, shoot the arrow at the target, take measures in time