無拘無束

无拘无束
wújūwúshù
  1. free and unconstrained (idiom); unfettered
  2. unbuttoned
  3. without care or worries

CEDICT

unrestrained; unconstrained; free and easy

Wiktionary

自由而不受約束。《西遊記．第二回》：「逐日家無拘無束，自在逍遙此一長生之美。」《文明小史．第一九回》：「人生在世，能夠自由自在，無拘無束，還有再比這個快活嗎？」也作「無束無拘」。

重編國語辭典

Entry Composition

1 無拘 wújū
  1. (literary) unrestrained; unconstrained; unfettered; free
  2. unrestrained; unconstrained; unfettered; free
2 無束 wúshù
  1. (literary) unrestrained; unconstrained; unfettered; free
  2. unrestrained; unconstrained; unfettered; free

Related entries

開襟 kāijīn
  1. buttoned Chinese tunic
  2. unbuttoned (to cool down)
虛掩 xūyǎn
  1. to partially obscure
  2. (of a door, gate or window) slightly open; ajar; not fully shut; unlocked
  3. (of a jacket or shirt) unbuttoned
疏放 shūfàng
  1. eccentric
  2. self-indulgent
  3. free and unconventional (written style)
  4. unbuttoned