据说日本人对他们认识的人非常友好，对不认识的人非常冷淡。

It is said that the Japanese are very friendly to those that they know, and very indifferent to those they don't.

Source: Tatoeba

Sentence Composition

1 据说 jùshuō it is said that; reportedly
=2 日本人 Rìběnrén Japanese person or people
=2 日本人 rìběnrén Japanese person
3 对 duì
  1. right; correct
  2. towards; at; for
  3. concerning; regarding
  4. to treat (sb a certain way)
  5. to face
  6. (bound form) opposite; facing; matching
  7. to match together; to adjust
  8. to fit; to suit
  9. to answer; to reply
  10. to add; to pour in (a fluid)
  11. to check; to compare
  12. classifier: couple; pair
4 他们 tāmen they; them
5 认识 rènshi
  1. to know
  2. to recognize
  3. to be familiar with
  4. to get acquainted with sb
  5. knowledge
  6. understanding
  7. awareness
  8. cognition
=6 的 de
  1. of; ~'s (possessive particle)
  2. (used after an attribute when it modifies a noun)
  3. (used at the end of a declarative sentence for emphasis)
  4. (used after a noun, verb or adjective to form a nominal expression, as in 皮革的 pígéde "one made of leather" or 跑堂儿的 pǎotángrde "a waiter (literally, one who runs back and forth in a restaurant)" or 新的 xīnde "new one")
  5. also pr. dì or di in poetry and songs
=6 的 dī a taxi; a cab (abbr. for 的士 dīshì)
=6 的 dí really and truly
=6 的 dì (bound form) bull's-eye; target
7 人 rén person; people

classifiers: 個, 位
8 非常 fēicháng
  1. very; really
  2. unusual; extraordinary
=9 友好 Yǒuhǎo see 友好区 Yǒuhǎo Qū
=9 友好 yǒuhǎo
  1. friendly; amicable
  2. close friend
10 对 duì
  1. right; correct
  2. towards; at; for
  3. concerning; regarding
  4. to treat (sb a certain way)
  5. to face
  6. (bound form) opposite; facing; matching
  7. to match together; to adjust
  8. to fit; to suit
  9. to answer; to reply
  10. to add; to pour in (a fluid)
  11. to check; to compare
  12. classifier: couple; pair
11 不 bù
  1. no; not so
  2. (bound form) not; un-
12 认识 rènshi
  1. to know
  2. to recognize
  3. to be familiar with
  4. to get acquainted with sb
  5. knowledge
  6. understanding
  7. awareness
  8. cognition
=13 的 de
  1. of; ~'s (possessive particle)
  2. (used after an attribute when it modifies a noun)
  3. (used at the end of a declarative sentence for emphasis)
  4. (used after a noun, verb or adjective to form a nominal expression, as in 皮革的 pígéde "one made of leather" or 跑堂儿的 pǎotángrde "a waiter (literally, one who runs back and forth in a restaurant)" or 新的 xīnde "new one")
  5. also pr. dì or di in poetry and songs
=13 的 dī a taxi; a cab (abbr. for 的士 dīshì)
=13 的 dí really and truly
=13 的 dì (bound form) bull's-eye; target
14 人 rén person; people

classifiers: 個, 位
15 非常 fēicháng
  1. very; really
  2. unusual; extraordinary
16 冷淡 lěngdàn
  1. cold
  2. indifferent