A diligent and hardworking person who works conscientiously and selflessly, often without complaint or seeking personal recognition; a tireless and dedicated worker.
他就像一头老黄牛，默默耕耘，从不计较个人得失，只希望大家都能好。
He is like an old yellow ox, quietly toiling, never caring about personal gains or losses, just hoping everyone fares well.
Era:
Modern
Frequency:
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