自来熟

自來熟
zìláishú
(coll.) naturally outgoing with strangers; quick to act like an old acquaintance; sb who has this trait

CEDICT

colloquial

Entry Composition

1 自来 zìlái
  1. from the beginning
  2. always
  3. to come of one's own accord
2 熟 shú
  1. ripe; mature
  2. thoroughly cooked; done
  3. familiar; acquainted
  4. experienced; skilled
  5. (of sleep etc) deep; profound
  6. also pr. shóu