不痛不痒
bù​tòng​bù​yǎng

superficial

  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. 痛 tòng adjectivenoun
    painful
    physically painful; to ache; to feel a sore or sharp pain
  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. 痒 癢 yǎng adjectiveverb
    to itch
    to itch; to tickle; itchy; a ticklish or itching sensation