一無是處

一无是处
yīwúshìchù
(idiom) not one good point; everything about it is wrong

CEDICT

devoid of any merit; good-for-nothing

Wiktionary

沒有一點正確或值得肯定的地方。

重編國語辭典

沒有一點正確或值得肯定的地方

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 無 wú
  1. not to have
  2. no
  3. none
  4. not
  5. to lack
  6. un-
  7. -less
=3 是 shì
  1. to be (followed by substantives only)
  2. correct; right; true
  3. (respectful acknowledgement of a command) very well
  4. (adverb for emphatic assertion)
=3 是 shì variant of 是 shì
4 處 chù
  1. (bound form) place; locality
  2. (bound form) part; aspect
  3. (bound form) office; department; bureau
  4. classifier for locations: spot, point