To point out mistakes or criticize social ills in order to encourage improvement; to voice concerns about.

piercing to the bone; used to describe extreme pain or freezing coldness

piercing cold wind that penetrates to the bone; biting cold wind

to treat an illness with acupuncture or stone needles; to provide medical treatment

to criticize sharply; to point out mistakes or flaws in a severe manner

to strongly criticize the current social problems or the evils of the day

The ancient Chinese medical practice of using stone needles for acupuncture and burning mugwort for moxibustion.

Traditional Chinese medical treatment involving acupuncture and moxibustion; stone-needle therapy and moxibustion

Ancient stone needle or sharp stone shard used in acupuncture and to pierce skin or drain abscesses in early medicine.

to point out a person's flaws or errors to help them improve; a remonstrance or admonition