不温不火
bù​wēn​bù​huǒ

lukewarm

bù​wēn​bù​huǒ lukewarm
  1. 不 bù adverb
    not
    Negative adverb used before verbs, adjectives, and other adverbs to indicate negation; also used as a bound-form prefix to form terms with opposite meanings
  2. 温 溫 wēn adjective
    warm
    warm; lukewarm; not cold and not hot
  3. 不 bù adverb
    not
    Negative adverb used before verbs, adjectives, and other adverbs to indicate negation; also used as a bound-form prefix to form terms with opposite meanings
  4. 火 huǒ
    popular
    (slang) hot; popular; flourishing; prosperous

bù​wēn​bù​huǒ unruffled · detached
  1. 不 bù adverb
    not
    Negative adverb used before verbs, adjectives, and other adverbs to indicate negation; also used as a bound-form prefix to form terms with opposite meanings
  2. 温 溫 wēn adjective
    gentle
    (bound form) gentle; mild; soft and tender in temperament
  3. 不 bù adverb
    not
    Negative adverb used before verbs, adjectives, and other adverbs to indicate negation; also used as a bound-form prefix to form terms with opposite meanings
  4. 火 huǒ verb
    anger; to get angry
    anger; temper; to get angry; to flare up