在背后说别人坏话不是大丈夫所为。

It is not manly to speak ill of others behind their backs.

Source: Tatoeba

Sentence Composition

1 在 zài
  1. to exist; to be alive
  2. (of sb or sth) to be (located) at
  3. (used before a verb to indicate an action in progress)
2 背后 bèihòu
  1. behind
  2. at the back
  3. in the rear
  4. behind sb's back
=3 说 shuì to persuade
=3 说 shuō
  1. to speak; to talk; to say
  2. to explain; to comment
  3. to scold; to tell off
  4. (bound form) theory; doctrine
=3 说 shuō variant of 说 shuō
=4 别人 biéren other people; others; other person
=4 别人 biérén others; other people
5 坏话 huàihuà
  1. unpleasant talk
  2. malicious words
=6 不是 bùshì
  1. no
  2. is not
  3. not
=6 不是 bùshi fault; blame
7 大丈夫 dàzhàngfu
  1. a manly man
  2. a man of character
=8 所为 suǒwéi
  1. what one does
  2. doings
=8 所为 suǒwèi cause; reason