你确定汤姆落后这个？

Are you sure that Tom is behind this?

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 确定 quèdìng
  1. definite
  2. certain
  3. fixed
  4. to fix (on sth)
  5. to determine
  6. to be sure
  7. to ensure
  8. to make certain
  9. to ascertain
  10. to clinch
  11. to recognize
  12. to confirm
  13. OK (on computer dialog box)
3 汤姆 Tāngmǔ Tom (name)
4 落后 luòhòu
  1. to fall behind
  2. to lag (in technology etc)
  3. backward
  4. to retrogress
5 这个 zhège
  1. (pronoun) this
  2. (adjective) this