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Jyutping bat1 gan2 bat1 maan6
Pinyin bù jǐn bù màn

Definitions (Wiktionary)
  1. phrase, idiomatic, often
    unhurried; unflustered; taking one's time
  2. phrase, idiomatic, literally
    neither rushed nor slow; at the right pace

不緊不慢 [-紧--]

Jyutping
Pinyin bù jǐn bù màn

Definitions (CC-CEDICT)
  1. (idiom) to take one's time; unhurried; leisurely
Examples (Wiktionary)
  1. Mandarin
    不紧不慢
    不緊不慢
    bù jǐn bù màn
    • not rushed and not slow; taking one's time