昂首挺胸

ángshǒutǐngxiōng
  1. head high, chest out (idiom); to keep up one's spirits
  2. in fine mettle (of animal)

CEDICT

抬起頭部，挺起胸膛。形容精神飽滿，情緒振奮。

重編國語辭典

Entry Composition

1 昂首 ángshǒu
  1. head high
  2. in high spirits
  3. to raise one's head (e.g. of neighing horse)
2 挺胸 tǐngxiōng to stick out one's chest