鬆一口氣 sōng yī kǒu qì

DEFINITIONS

  1. to heave a sigh of relief

CHARACTERS

鬆 sōng lax, loose; loosen, relax
一 yī
HSK 1
one; a, an; alone
口 kǒu
HSK 3
mouth; open end; entrance, gate
氣 qì air, gas, steam, vapor; spirit