To make personal sacrifices, even foregoing one's family's interests, for a greater collective good or a significant cause; to dedicate oneself selflessly.
老校长为了学校的建设和发展，经常是夙兴夜寐，甚至不惜将自己的退休金都捐出来，真正是破家为公，令人敬佩。
The old principal often worked tirelessly, day and night, for the construction and development of the school, even donating his own retirement savings. He truly sacrificed his personal interests for the collective good, which is admirable.
Era:
Ancient
Frequency:
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