代我问候你妹妹。

Say hello to your sister for me.

Source: Tatoeba

Sentence Composition

1 代 dài
  1. to be a substitute for; to act on behalf of; to replace; to substitute
  2. generation; dynasty; age; period; (historical) era; (geological) eon
2 我 wǒ
  1. I
  2. me
  3. my
3 问候 wènhòu
  1. to give one's respects
  2. to send a greeting
  3. (fig.) (coll.) to make offensive reference to (somebody dear to the person to whom one is speaking)
4 你妹 nǐmèi
  1. (neologism, humorous) freaking; my arse
  2. freaking; my arse
5 妹 mèi younger sister