What does the mantis fist mean by hitting eight out of eight?

Eight dozen: (1) frown and roll your eyes; (2) hitting people on the lips; (3) pierce the ear door of the cheek; (4) sewing the back bone.

(5) hit the waist and internal organs (6) hit the high bone (7) hit the knee and tiger neck (8) hit the daughter.

Eight don't fight.

Eight don't hit: (1) don't hit the sun first (2) don't hit the middle lock (throat? ) (3) Don't hit the Zhengzhongguan Gate 2 (4) Don't hit the two-sided Tai Chi (5) Don't hit the seabed (6) Don't hit the two kidneys as the heart (7) Don't hit the tail wind house (8) Don't hit both ears.