顶天

頂天
dǐngtiān
to reach the upper limit

CEDICT

to reach the upper limit

Wiktionary

比喻到了极点。

重編國語辭典

Entry Composition

1 顶 dǐng
  1. apex
  2. crown of the head
  3. top
  4. roof
  5. most
  6. to carry on the head
  7. to push to the top
  8. to go against
  9. to replace
  10. to substitute
  11. to be subjected to (an aerial bombing, hailstorm etc)
  12. (slang) to "bump" a forum thread to raise its profile
  13. classifier for headwear, hats, veils etc
2 天 tiān
  1. day
  2. sky
  3. heaven

Containing this entry

顶天立地 dǐngtiānlìdì
  1. lit. able to support both heaven and earth
  2. of indomitable spirit (idiom)