- 吃奶的力气 chīnǎidelìqi all one's strengththe maximum strength or effort one can possibly exert; every bit of energy one has, as if from birth
- 吃奶之力 chīnǎizhīlì all one's strengthall the strength one can muster; the utmost effort
- 吃奶的气力 chīnǎideqìlì utmost effortthe greatest possible effort; one's maximum strength