你一定要幫幫她。

It is necessary for you to help her.

Source: Tatoeba

Sentence Composition

=1 你 nǐ you (informal, as opposed to courteous 您 nín)
=1 你 nǐ you (Note: In Taiwan, 妳 is used to address females, but in mainland China, it is not commonly used. Instead, 你 is used to address both males and females.)
2 一定要 yīdìngyào must
3 幫 bāng
  1. to help
  2. to assist
  3. to support
  4. for sb (i.e. as a help)
  5. hired (as worker)
  6. side (of pail, boat etc)
  7. outer layer
  8. upper (of a shoe)
  9. group
  10. gang
  11. clique
  12. party
  13. secret society
4 幫 bāng
  1. to help
  2. to assist
  3. to support
  4. for sb (i.e. as a help)
  5. hired (as worker)
  6. side (of pail, boat etc)
  7. outer layer
  8. upper (of a shoe)
  9. group
  10. gang
  11. clique
  12. party
  13. secret society
5 她 tā she