遊刃有餘

游刃有余
yóurènyǒuyú
handling a butcher's cleaver with ease (idiom); to do sth skillfully and easily

CEDICT

  1. (figurative) to do a task with skills and ease; to achieve something effortlessly
  2. (literally) to handle a blade skillfully
  3. to do a task with skills and ease; to achieve something effortlessly
  4. to handle a blade skillfully

Wiktionary

好的廚師宰牛時刀刃在骨節間的空隙運轉，覺得空隙還很大。語本《莊子．養生主》：「彼節者有閒，而刀刃者無厚。以無厚入有閒，恢恢乎，其於遊刃必有餘地矣。」後以遊刃有餘比喻對於事情能勝任愉快，從容而不費力。如：「這件工作對他而言，有如庖丁解牛，遊刃有餘。」也作「游刃有餘」。

重編國語辭典

  1. 技術成熟、經驗豐富，而能從容不費力地完成工作、解決問題
  2. 熟練地使用刀刃

維基詞典

Entry Composition

1 遊 yóu
  1. to walk
  2. to tour
  3. to roam
  4. to travel
2 刃 rèn edge of blade
3 有餘 yǒuyú to have an abundance