你知道吗,我从没见过你跟一个男人一起。

You know, I've never seen you with a guy before.

Source: Tatoeba

Sentence Composition

=1 you (informal, as opposed to courteous nín)
=1 you (Note: In Taiwan, is used to address females, but in mainland China, it is not commonly used. Instead, is used to address both males and females.)
2 知道 zhīdào
  1. to know; to become aware of
  2. also pr. zhīdao
=3 (coll.) what?
=3 used in 吗啡 fēi
=3 ma (question particle for "yes-no" questions)
4
  1. I
  2. me
  3. my
5 从没 cóngméi
  1. never (in the past)
  2. never did
=6 jiàn
  1. to see
  2. to meet
  3. to appear (to be sth)
  4. to interview
  5. opinion
  6. view
=6 xiàn
  1. to appear
  2. also written xiàn
=7 Guō surname Guo
=7 guò
  1. to cross
  2. to go over
  3. to pass (time)
  4. to celebrate (a holiday)
  5. to live
  6. to get along
  7. excessively
  8. too-
=7 guo (experienced action marker)
=8 you (informal, as opposed to courteous nín)
=8 you (Note: In Taiwan, is used to address females, but in mainland China, it is not commonly used. Instead, is used to address both males and females.)
9 gēn
  1. heel
  2. to follow closely
  3. to go with
  4. (of a woman) to marry sb
  5. with
  6. compared with
  7. to
  8. towards
  9. and (joining two nouns)
=10 一个 ge
  1. a; an; one
  2. the whole (afternoon, summer vacation etc)
=10 一个
  1. Combination of the numeral (“one”) and the generic classifier : a; an; one
  2. same
=11 男人 nánrén
  1. a man
  2. a male
  3. men

classifier:

=11 男人 nánren
  1. (colloquial) husband
  2. husband
12 一起
  1. (in) the same place
  2. together; in company (with)
  3. altogether; in total
  4. an instance of; a case of (murder, accident, dispute etc)