人-90 兢 兢兢业业 [jing jing ye ye] (名) (act) with caution and with a will

兢   甲骨文象人头上负重小心行走之形。《说文》注：“从二兄。二兄敬意。一曰兢敬也。”兢义为认真、小心谨慎。

兢 兢兢业业 [jing jing ye ye] (名) (act) with caution and with a will