[bù tòng bù yǎng]
neither painful nor itching; scratching the surface; cause no pain, nor itch; not grasping the main points; not forceful; not to the point; perfunctory; playing with words; pointless; superficial
superficial criticism
不痛不痒的批评
scratch the surface of the problem
对问题作不痛不痒的探讨
He made some perfunctory remarks at the meeting.
他在会上讲了些不痛不痒的话。