Correct

透骨

/ tòu gǔ /
Strokes

Example

As an Adjective

(of cold air) chilling/cutting one to the bone; piercing

1
Hánfēng
寒风
tòu
透骨
  

The biting/cold/icy wind chills/cuts one to the bone. / The wind is piercingly cold.

2
Lěng
de
tòu
透骨

be chilled/frozen to the bone/marrow; be bitingly/freezingly/piercingly cold

As an Adjective

deep; profound; penetrating

3
Kàn
de
tòu
透骨

a keen observation; a penetrating analysis