一斑

yībān
  1. lit. one spot (on the leopard)
  2. fig. one small item in a big scheme

CEDICT

  1. (literary) one spot (on a leopard)
  2. (literary, figurative) one of a number of similar things
  3. one of a number of similar things
  4. one spot (on a leopard)

Wiktionary

豹子身上的一個斑點。語本《晉書．卷八○．王羲之傳》：「此郎亦管中窺豹，時見一班。」比喻事物的一小部分。《老殘遊記二編．第二回》：「他又好修飾，儜瞧他這屋子，就可略見一斑了。」

重編國語辭典

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 斑 bān
  1. spot
  2. colored patch
  3. stripe
  4. spotted
  5. striped
  6. variegated

Containing this entry

略見一斑 lüèjiànyībān
  1. lit. to glimpse just one spot (of the leopard) (idiom)
  2. fig. to get an inkling of the whole picture
窺豹一斑 kuībàoyībān lit. see one spot on a leopard (idiom); fig. a restricted view
可見一斑 kějiànyībān