草草了事

cǎocǎoliǎoshì
  1. to rush through the work
  2. to get through a thing carelessly

CEDICT

to deal with a matter carelessly

Wiktionary

匆忙隨便的解決事情。

重編國語辭典

草率馬虎地把事情結束

維基詞典

Entry Composition

1 草草 cǎocǎo
  1. carelessly
  2. hastily
2 了事 liǎoshì
  1. to dispose of a matter
  2. to be done with it