好整以暇

hàozhěngyǐxiá
to be calm and unruffled in the midst of chaos or at a busy time (idiom)

CEDICT

remain calm and composed while handling pressing affairs; take things easy

Wiktionary

原指军队步伐严整，从容不迫。语本《左传．成公十六年》：「日臣之使于楚也，子重问晋国之勇，臣对曰：『好以众整。』曰：『又何如？』臣对曰：『好以暇。』」后多以形容在纷乱、繁忙中显得从容不迫。《孽海花．第二五回》：「在这种人心皇皇的时候，珏斋却好整以暇，大有轻裘缓带的气象。」

重編國語辭典

形容在纷乱、繁忙中显得从容不迫

維基詞典

Entry Composition

1 好 hào to be fond of; to have a tendency to; to be prone to
2 整 zhěng
  1. (bound form) whole; complete; entire; (before a measure word) whole; (before or after number + measure word) exactly
  2. (bound form) in good order; tidy; neat
  3. (bound form) to put in order; to straighten
  4. (bound form) to repair; to mend; to renovate
  5. (coll.) to fix sb; to give sb a hard time; to mess with sb
  6. (dialect) to tinker with; to do sth to
=3 以 yǐ old variant of 以 yǐ
=3 以 yǐ old variant of 以 yǐ
=3 以 yǐ
  1. to use
  2. by means of
  3. according to
  4. in order to
  5. because of
  6. at (a certain date or place)
4 暇 xiá leisure