1.
gasping for breath; deep sighs of distress
Heavy sighing due to difficulty, worry, or financial trouble. Describes a state of being at one's wit's end.
Literally "blue breath, exhaled breath" - 青 here suggests a pale, sickly color from distress.
Usage
- Financial difficulties
- Being overwhelmed with work
- Business struggling to survive
Implies serious, ongoing difficulty rather than temporary inconvenience.