老为踏实
Keep one's old age steady
以上为机器翻译结果，长、整句建议使用 人工翻译 。
但是对老铁很恭敬也很周到，老铁当初收他为徒也正是由于他有文化又踏实好学。
But for the old iron is respectful also considerate, old iron had took for his ACTS also just because he has the culture and steadfast academic.
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