To endure extreme hardship and live an austere, bitter life, often accompanied by feelings of dejection or sorrow due to difficult circumstances.
在创业初期，他们常常饮冰茹檗，为了实现梦想而夜以继日地奋斗。
In the initial stages of their startup, they often endured immense hardship, working day and night to realize their dreams.
Next Idiom