误打误撞

誤打誤撞
wùdǎwùzhuàng
  1. accidentally
  2. to act before thinking

CEDICT

by accident; by chance

Wiktionary

凑巧碰到。

重編國語辭典

凑巧、无意中碰到

維基詞典

Entry Composition

1 误 wù
  1. mistake
  2. error
  3. to miss
  4. to harm
  5. to delay
  6. to neglect
  7. mistakenly
2 打 dǎ
  1. a semantically light, transitive verb that is combined with various grammatical objects to form compound verbs and verb-object phrases with a diverse range of meanings (e.g. 打伞 dǎsǎn "to hold an umbrella", 打电话 dǎdiànhuà "to make a phone call", 打针 dǎzhēn "to get an injection", 打手套 dǎshǒutào "to knit gloves", 打气 dǎqì "to inflate")
  2. to hit; to strike
  3. to fight
  4. (coll.) from; since (as in 打那以后 dǎnàyǐhòu "since then")
3 误 wù
  1. mistake
  2. error
  3. to miss
  4. to harm
  5. to delay
  6. to neglect
  7. mistakenly
4 撞 zhuàng
  1. to knock against
  2. to bump into
  3. to run into
  4. to meet by accident

Related entries

偶一 ǒuyī
  1. accidentally
  2. once in a while
  3. very occasionally
无意中 wúyìzhōng
  1. accidentally
  2. unintentionally
  3. unexpectedly
母親無意中握住了椅子。

Unconsciously my mom took hold of the chair.

Source: Tatoeba

失手 shīshǒu
  1. a slip
  2. miscalculation
  3. unwise move
  4. accidentally
  5. by mistake
  6. to lose control
  7. to be defeated