Subject + 的 + 使命
The noun 使命 (shǐmìng) means 'mission' or 'calling' and refers to an important task or duty that someone feels compelled to carry out. It carries a sense of weight and purpose, often used when describing a person's higher responsibility or life's work.
他觉得教育是自己一生的使命。
Tā juéde jiàoyù shì zìjǐ yīshēng de shǐmìng.
He feels that education is his lifelong mission.
我们肩负着保护环境的使命。
Wǒmen jiānfù zhe bǎohù huánjìng de shǐmìng.
We bear the mission of protecting the environment.
她带着使命感投入到了志愿者工作中。
Tā dài zhe shǐmìnggǎn tóurù dào le zhìyuànzhě gōngzuò zhōng.
She threw herself into volunteer work with a sense of mission.