竖脊梁

Traditional (Taiwan): 豎脊梁

shùjǐliang ㄕㄨˋ ㄐㄧˇ ˙ㄌㄧㄤ

    • to pull oneself together and strive boldly

Character by character

Saying俗语俗語

Idiom惯用语 · Rarely used now

Literally
straighten the spine
Meaning
To pull yourself together and strive boldly. Approving.

Sources