to become familiar with;  to fit in;  to adapt oneself;  to get used to;  to grow accustomed to
 childhood friend;  friend from infancy;  old playmate
 intimacy;  friendship;  familiarity
 familiar;  well-known;  regular (e.g. customer);  old stand-by
 extremely familiar;  very well-acquainted
 to become;  to appear like;  to have a touch of;  to look like
 old friend;  familiar face
 acquaintance;  friend;  familiar face
 childish;  child-like;  immature;  infantile
 familiarity (of a sound, etc.)
 to be worn out (from domestic life)
 to become greasy;  to be oil-stained
 regular (customer);  client who frequently visits the same prostitute
 to look mad;  to act nuts;  to seem crazy
 to blend;  to mix thoroughly and evenly;  to make fit in;  to domesticate
 keenly;  deeply;  calmly;  quietly;  fixedly (e.g. gazing, staring)
 like an old man;  like an old woman
 better the devil you know than the devil you don't know; (lit.) better the ogre you know than the god you don't
 to grow up;  to become adult;  to start behaving like an adult
 better the devil you know than the devil you don't know; (lit.) better the ogre you know than the Buddha you don't