大剌剌

dàlàlà
  1. pompous
  2. with a swagger
  3. casual

CEDICT

  1. (dialect) randomly; ostentatiously
  2. randomly; ostentatiously

Wiktionary

大模大樣。《水滸傳．第九回》：「你這個賊配軍，見我如何不下拜，卻來唱喏？你這廝可知在東京做出事來，見我還是大剌剌的。」也作「大拉拉」、「大喇喇」、「大辣辣」、「大落落」。

重編國語辭典

Entry Composition

1 大 dà
  1. big; large; great
  2. older (than another person)
  3. eldest (as in 大姐 dàjiě)
  4. greatly; freely; fully
  5. (dialect) father
  6. (dialect) uncle (father's brother)
2 剌 là
  1. perverse
  2. unreasonable
  3. absurd
3 剌 là
  1. perverse
  2. unreasonable
  3. absurd

Related entries

冠冕堂皇 guānmiǎntánghuáng
  1. high-sounding
  2. dignified
  3. pompous (idiom)
不管你有什么冠冕堂皇的理由，这样做是不对的。

No matter what grand and lofty reason you have, it's not right to do this.

Source: Tatoeba

浮誇 fúkuā
  1. to exaggerate
  2. to be boastful
  3. pompous
  4. grandiose
虛誇 xūkuā
  1. to boast
  2. to brag
  3. boastful
  4. exaggerative
  5. pompous
  6. bombastic
隨性 suíxìng
  1. casual
  2. laid-back
  3. doing as one pleases
倜儻 tìtǎng
  1. elegant
  2. casual
  3. free and easy
馬馬虎虎 mǎmahūhū
  1. careless
  2. casual
  3. vague
  4. not so bad
  5. so-so
  6. tolerable
  7. fair
隨便 suíbiàn
  1. as one wishes
  2. as one pleases
  3. at random
  4. negligent
  5. casual
  6. wanton
随便坐。

Sit wherever you like.

Sit down anywhere you want.

Source: Tatoeba