一盤散沙

一盘散沙
yīpánsǎnshā
  1. lit. like a sheet of loose sand
  2. fig. unable to cooperate (idiom)

CEDICT

to be in a state of disunity

Wiktionary

比喻人心渙散，缺乏凝合的力量，不能團結組織起來。如：「我們必須緊密的團結在一起，不要像一盤散沙。」也作「一片散沙」。

重編國語辭典

人心渙散，缺乏凝合的力量，不能團結組織起來

維基詞典

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 盤 pán
  1. tray; plate; dish
  2. (finance) (bound form) market prices
  3. (computing) (bound form) disk
  4. to coil (a rope, pigtail etc)
  5. to check; to examine; to investigate
  6. to transfer; to sell (property)
  7. to shift; to move (sth big and heavy)
  8. classifier for things resembling a plate or dish
  9. classifier for coils
  10. classifier for games or matches (chess, table tennis etc)
3 散沙 sǎnshā
  1. scattered sand
  2. fig. lacking in cohesion or organization