Idioms about bone characters are:
Bone loss, arrogance, bare bone, broken bone, illness into bone marrow, wood damage, cramp and bone pulling, bone pulling, auditory bone, fist bone, bone poking, bone biting, bone smashing, bone burning, bone smashing, muscle strengthening, bone showing,
The cold wind is biting, which is an idiom in China. It is pronounced as Há n f ē ng ē g ǔ, which means that the weather is cold, and the cold wind seems to blow into the skin, reaching the bones, causing stinging.
First of all, the basic explanation is here, look at the details of bones.
Bone (pinyin: gǔ, gū) is a kind of words (commonly used words) in the General Standard of Chinese. This word was first written in Oracle Bone Inscriptions in Shang Dynasty, and its ancient glyph looks like bones supporting each other or splicing each other. The original meaning of bone is human or animal bones, especially human remains. Skeleton is the backbone that supports the human body, so "bone" can refer to human mind, soul, character or temperament. It can also refer to a shelf that plays a supporting role inside something.
Second, explain in detail.
[gū] means sound, shape and movement. Such as: all bones (describing continuous outward); Bone farmers (mumble; Cooing); Bone roll (onomatopoeia, roll sound).