一模一样

一模一樣
yīmúyīyàng
  1. (idiom) exactly alike; identical
  2. also pr. yi1mo2-yi1yàng

CEDICT

Entry Composition

1 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
2 模 mú
  1. mold
  2. die
  3. matrix
  4. pattern
3 一样 yīyàng
  1. same
  2. like
  3. equal to
  4. the same as
  5. just like