獨一

独一
dúyī
  1. only
  2. unique

CEDICT

Entry Composition

1 獨 dú
  1. alone
  2. independent
  3. single
  4. sole
  5. only
2 一 yī
  1. one
  2. single
  3. a (article)
  4. as soon as
  5. entire; whole; all; throughout
  6. "one" radical in Chinese characters (Kangxi radical 1)
  7. also pr. yāo for greater clarity when spelling out numbers digit by digit